Home / 1,503,396.30-2,255,426.14-438,521.70

Finding the Fourth Proportional to 1,503,396.30, 2,255,426.14 and 438,521.70

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Solution

The fourth proportional to 1,503,396.30, 2,255,426.14 and 438,521.70 is: 657,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,396.30 : 2,255,426.14 = 438,521.70 : x
  2. Step 2: Convert to fraction form
    1,503,396.30/2,255,426.14 = 438,521.70/x
  3. Step 3: Cross multiply
    1,503,396.30x = 2,255,426.14 × 438,521.70
  4. Step 4: Simplify right side
    1,503,396.30x = 989,053,305,137.24
  5. Step 5: Solve for x
    x = 989,053,305,137.24/1,503,396.30
  6. Step 6: Final answer
    x = 657,879.30

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Double scale
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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.