Home / 1,094,117.36-1,641,388.76-420,149.13

Finding the Fourth Proportional to 1,094,117.36, 1,641,388.76 and 420,149.13

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Solution

The fourth proportional to 1,094,117.36, 1,641,388.76 and 420,149.13 is: 630,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,117.36 : 1,641,388.76 = 420,149.13 : x
  2. Step 2: Convert to fraction form
    1,094,117.36/1,641,388.76 = 420,149.13/x
  3. Step 3: Cross multiply
    1,094,117.36x = 1,641,388.76 × 420,149.13
  4. Step 4: Simplify right side
    1,094,117.36x = 689,628,052,825.39
  5. Step 5: Solve for x
    x = 689,628,052,825.39/1,094,117.36
  6. Step 6: Final answer
    x = 630,305.38

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Half scale
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Double scale
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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.