Home / 1,419,200.74-2,129,140.05-472,579.66

Finding the Fourth Proportional to 1,419,200.74, 2,129,140.05 and 472,579.66

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Solution

The fourth proportional to 1,419,200.74, 2,129,140.05 and 472,579.66 is: 708,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,200.74 : 2,129,140.05 = 472,579.66 : x
  2. Step 2: Convert to fraction form
    1,419,200.74/2,129,140.05 = 472,579.66/x
  3. Step 3: Cross multiply
    1,419,200.74x = 2,129,140.05 × 472,579.66
  4. Step 4: Simplify right side
    1,419,200.74x = 1,006,188,280,921.38
  5. Step 5: Solve for x
    x = 1,006,188,280,921.38/1,419,200.74
  6. Step 6: Final answer
    x = 708,982.35

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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.