Home / 1,087,513.20-1,631,269.80-914,302.80

Finding the Fourth Proportional to 1,087,513.20, 1,631,269.80 and 914,302.80

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Solution

The fourth proportional to 1,087,513.20, 1,631,269.80 and 914,302.80 is: 1,371,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,513.20 : 1,631,269.80 = 914,302.80 : x
  2. Step 2: Convert to fraction form
    1,087,513.20/1,631,269.80 = 914,302.80/x
  3. Step 3: Cross multiply
    1,087,513.20x = 1,631,269.80 × 914,302.80
  4. Step 4: Simplify right side
    1,087,513.20x = 1,491,474,545,695.44
  5. Step 5: Solve for x
    x = 1,491,474,545,695.44/1,087,513.20
  6. Step 6: Final answer
    x = 1,371,454.20

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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.