Home / 1,415,861.40-2,123,792.10-418,589.40

Finding the Fourth Proportional to 1,415,861.40, 2,123,792.10 and 418,589.40

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Solution

The fourth proportional to 1,415,861.40, 2,123,792.10 and 418,589.40 is: 627,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,861.40 : 2,123,792.10 = 418,589.40 : x
  2. Step 2: Convert to fraction form
    1,415,861.40/2,123,792.10 = 418,589.40/x
  3. Step 3: Cross multiply
    1,415,861.40x = 2,123,792.10 × 418,589.40
  4. Step 4: Simplify right side
    1,415,861.40x = 888,996,860,863.74
  5. Step 5: Solve for x
    x = 888,996,860,863.74/1,415,861.40
  6. Step 6: Final answer
    x = 627,884.10

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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.