Home / 1,425,307.68-2,137,694.22-715,145.04

Finding the Fourth Proportional to 1,425,307.68, 2,137,694.22 and 715,145.04

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Solution

The fourth proportional to 1,425,307.68, 2,137,694.22 and 715,145.04 is: 1,072,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,307.68 : 2,137,694.22 = 715,145.04 : x
  2. Step 2: Convert to fraction form
    1,425,307.68/2,137,694.22 = 715,145.04/x
  3. Step 3: Cross multiply
    1,425,307.68x = 2,137,694.22 × 715,145.04
  4. Step 4: Simplify right side
    1,425,307.68x = 1,528,761,418,469.67
  5. Step 5: Solve for x
    x = 1,528,761,418,469.67/1,425,307.68
  6. Step 6: Final answer
    x = 1,072,583.44

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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.