Home / 1,381,498-2,072,151.96-849,101.20

Finding the Fourth Proportional to 1,381,498, 2,072,151.96 and 849,101.20

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Solution

The fourth proportional to 1,381,498, 2,072,151.96 and 849,101.20 is: 1,273,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,498 : 2,072,151.96 = 849,101.20 : x
  2. Step 2: Convert to fraction form
    1,381,498/2,072,151.96 = 849,101.20/x
  3. Step 3: Cross multiply
    1,381,498x = 2,072,151.96 × 849,101.20
  4. Step 4: Simplify right side
    1,381,498x = 1,759,466,715,818.35
  5. Step 5: Solve for x
    x = 1,759,466,715,818.35/1,381,498
  6. Step 6: Final answer
    x = 1,273,593.39

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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.