Home / 1,298,588.11-1,792,229.59-747,292.49

Finding the Fourth Proportional to 1,298,588.11, 1,792,229.59 and 747,292.49

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Solution

The fourth proportional to 1,298,588.11, 1,792,229.59 and 747,292.49 is: 1,031,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,588.11 : 1,792,229.59 = 747,292.49 : x
  2. Step 2: Convert to fraction form
    1,298,588.11/1,792,229.59 = 747,292.49/x
  3. Step 3: Cross multiply
    1,298,588.11x = 1,792,229.59 × 747,292.49
  4. Step 4: Simplify right side
    1,298,588.11x = 1,339,319,711,656.61
  5. Step 5: Solve for x
    x = 1,339,319,711,656.61/1,298,588.11
  6. Step 6: Final answer
    x = 1,031,366.07

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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.