Home / 1,149,647.55-1,586,437.72-690,489.29

Finding the Fourth Proportional to 1,149,647.55, 1,586,437.72 and 690,489.29

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Solution

The fourth proportional to 1,149,647.55, 1,586,437.72 and 690,489.29 is: 952,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,647.55 : 1,586,437.72 = 690,489.29 : x
  2. Step 2: Convert to fraction form
    1,149,647.55/1,586,437.72 = 690,489.29/x
  3. Step 3: Cross multiply
    1,149,647.55x = 1,586,437.72 × 690,489.29
  4. Step 4: Simplify right side
    1,149,647.55x = 1,095,418,251,459.57
  5. Step 5: Solve for x
    x = 1,095,418,251,459.57/1,149,647.55
  6. Step 6: Final answer
    x = 952,829.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.