Home / 1,478,620.08-2,217,603.24-413,375.76

Finding the Fourth Proportional to 1,478,620.08, 2,217,603.24 and 413,375.76

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Solution

The fourth proportional to 1,478,620.08, 2,217,603.24 and 413,375.76 is: 619,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,620.08 : 2,217,603.24 = 413,375.76 : x
  2. Step 2: Convert to fraction form
    1,478,620.08/2,217,603.24 = 413,375.76/x
  3. Step 3: Cross multiply
    1,478,620.08x = 2,217,603.24 × 413,375.76
  4. Step 4: Simplify right side
    1,478,620.08x = 916,703,424,713.46
  5. Step 5: Solve for x
    x = 916,703,424,713.46/1,478,620.08
  6. Step 6: Final answer
    x = 619,972.25

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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.