Home / 1,419,614.10-2,129,421.15-915,729.30

Finding the Fourth Proportional to 1,419,614.10, 2,129,421.15 and 915,729.30

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Solution

The fourth proportional to 1,419,614.10, 2,129,421.15 and 915,729.30 is: 1,373,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,614.10 : 2,129,421.15 = 915,729.30 : x
  2. Step 2: Convert to fraction form
    1,419,614.10/2,129,421.15 = 915,729.30/x
  3. Step 3: Cross multiply
    1,419,614.10x = 2,129,421.15 × 915,729.30
  4. Step 4: Simplify right side
    1,419,614.10x = 1,949,973,339,094.70
  5. Step 5: Solve for x
    x = 1,949,973,339,094.70/1,419,614.10
  6. Step 6: Final answer
    x = 1,373,593.95

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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.