Home / 1,419,494.76-2,129,577.76-459,948.78

Finding the Fourth Proportional to 1,419,494.76, 2,129,577.76 and 459,948.78

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Solution

The fourth proportional to 1,419,494.76, 2,129,577.76 and 459,948.78 is: 690,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,494.76 : 2,129,577.76 = 459,948.78 : x
  2. Step 2: Convert to fraction form
    1,419,494.76/2,129,577.76 = 459,948.78/x
  3. Step 3: Cross multiply
    1,419,494.76x = 2,129,577.76 × 459,948.78
  4. Step 4: Simplify right side
    1,419,494.76x = 979,496,692,627.13
  5. Step 5: Solve for x
    x = 979,496,692,627.13/1,419,494.76
  6. Step 6: Final answer
    x = 690,031.92

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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.