Home / 1,025,344.20-1,538,016.30-277,390.20

Finding the Fourth Proportional to 1,025,344.20, 1,538,016.30 and 277,390.20

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Solution

The fourth proportional to 1,025,344.20, 1,538,016.30 and 277,390.20 is: 416,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,344.20 : 1,538,016.30 = 277,390.20 : x
  2. Step 2: Convert to fraction form
    1,025,344.20/1,538,016.30 = 277,390.20/x
  3. Step 3: Cross multiply
    1,025,344.20x = 1,538,016.30 × 277,390.20
  4. Step 4: Simplify right side
    1,025,344.20x = 426,630,649,060.26
  5. Step 5: Solve for x
    x = 426,630,649,060.26/1,025,344.20
  6. Step 6: Final answer
    x = 416,085.30

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Half scale
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Double scale
Find fourth proportional to 1,025,345.20, 1,538,017.80 and 277,391.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.