Home / 1,332,549.16-1,838,920.26-728,937.16

Finding the Fourth Proportional to 1,332,549.16, 1,838,920.26 and 728,937.16

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Solution

The fourth proportional to 1,332,549.16, 1,838,920.26 and 728,937.16 is: 1,005,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,549.16 : 1,838,920.26 = 728,937.16 : x
  2. Step 2: Convert to fraction form
    1,332,549.16/1,838,920.26 = 728,937.16/x
  3. Step 3: Cross multiply
    1,332,549.16x = 1,838,920.26 × 728,937.16
  4. Step 4: Simplify right side
    1,332,549.16x = 1,340,457,311,790.86
  5. Step 5: Solve for x
    x = 1,340,457,311,790.86/1,332,549.16
  6. Step 6: Final answer
    x = 1,005,934.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.