Home / 1,458,861.03-2,187,228.42-690,086.79

Finding the Fourth Proportional to 1,458,861.03, 2,187,228.42 and 690,086.79

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Solution

The fourth proportional to 1,458,861.03, 2,187,228.42 and 690,086.79 is: 1,034,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,861.03 : 2,187,228.42 = 690,086.79 : x
  2. Step 2: Convert to fraction form
    1,458,861.03/2,187,228.42 = 690,086.79/x
  3. Step 3: Cross multiply
    1,458,861.03x = 2,187,228.42 × 690,086.79
  4. Step 4: Simplify right side
    1,458,861.03x = 1,509,377,439,354.57
  5. Step 5: Solve for x
    x = 1,509,377,439,354.57/1,458,861.03
  6. Step 6: Final answer
    x = 1,034,627.29

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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.