Home / 1,258,006.16-1,887,142.08-725,515.40

Finding the Fourth Proportional to 1,258,006.16, 1,887,142.08 and 725,515.40

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Solution

The fourth proportional to 1,258,006.16, 1,887,142.08 and 725,515.40 is: 1,088,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,006.16 : 1,887,142.08 = 725,515.40 : x
  2. Step 2: Convert to fraction form
    1,258,006.16/1,887,142.08 = 725,515.40/x
  3. Step 3: Cross multiply
    1,258,006.16x = 1,887,142.08 × 725,515.40
  4. Step 4: Simplify right side
    1,258,006.16x = 1,369,150,641,028.03
  5. Step 5: Solve for x
    x = 1,369,150,641,028.03/1,258,006.16
  6. Step 6: Final answer
    x = 1,088,349.71

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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.