Home / 1,376,355.12-2,064,531.92-429,806.96

Finding the Fourth Proportional to 1,376,355.12, 2,064,531.92 and 429,806.96

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Solution

The fourth proportional to 1,376,355.12, 2,064,531.92 and 429,806.96 is: 644,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,355.12 : 2,064,531.92 = 429,806.96 : x
  2. Step 2: Convert to fraction form
    1,376,355.12/2,064,531.92 = 429,806.96/x
  3. Step 3: Cross multiply
    1,376,355.12x = 2,064,531.92 × 429,806.96
  4. Step 4: Simplify right side
    1,376,355.12x = 887,350,188,358.16
  5. Step 5: Solve for x
    x = 887,350,188,358.16/1,376,355.12
  6. Step 6: Final answer
    x = 644,710.20

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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.