Home / 1,025,507.38-1,538,465.19-315,508.36

Finding the Fourth Proportional to 1,025,507.38, 1,538,465.19 and 315,508.36

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Solution

The fourth proportional to 1,025,507.38, 1,538,465.19 and 315,508.36 is: 473,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,507.38 : 1,538,465.19 = 315,508.36 : x
  2. Step 2: Convert to fraction form
    1,025,507.38/1,538,465.19 = 315,508.36/x
  3. Step 3: Cross multiply
    1,025,507.38x = 1,538,465.19 × 315,508.36
  4. Step 4: Simplify right side
    1,025,507.38x = 485,398,629,013.99
  5. Step 5: Solve for x
    x = 485,398,629,013.99/1,025,507.38
  6. Step 6: Final answer
    x = 473,325.34

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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.