Home / 1,258,004.16-1,887,139.08-725,513.40

Finding the Fourth Proportional to 1,258,004.16, 1,887,139.08 and 725,513.40

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Solution

The fourth proportional to 1,258,004.16, 1,887,139.08 and 725,513.40 is: 1,088,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,004.16 : 1,887,139.08 = 725,513.40 : x
  2. Step 2: Convert to fraction form
    1,258,004.16/1,887,139.08 = 725,513.40/x
  3. Step 3: Cross multiply
    1,258,004.16x = 1,887,139.08 × 725,513.40
  4. Step 4: Simplify right side
    1,258,004.16x = 1,369,144,690,203.67
  5. Step 5: Solve for x
    x = 1,369,144,690,203.67/1,258,004.16
  6. Step 6: Final answer
    x = 1,088,346.71

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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.