Home / 989,937.39-1,366,113.60-537,228.39

Finding the Fourth Proportional to 989,937.39, 1,366,113.60 and 537,228.39

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Solution

The fourth proportional to 989,937.39, 1,366,113.60 and 537,228.39 is: 741,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,937.39 : 1,366,113.60 = 537,228.39 : x
  2. Step 2: Convert to fraction form
    989,937.39/1,366,113.60 = 537,228.39/x
  3. Step 3: Cross multiply
    989,937.39x = 1,366,113.60 × 537,228.39
  4. Step 4: Simplify right side
    989,937.39x = 733,915,005,402.54
  5. Step 5: Solve for x
    x = 733,915,005,402.54/989,937.39
  6. Step 6: Final answer
    x = 741,375.18

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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.