Home / 987,232.60-1,479,729.42-453,651.07

Finding the Fourth Proportional to 987,232.60, 1,479,729.42 and 453,651.07

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Solution

The fourth proportional to 987,232.60, 1,479,729.42 and 453,651.07 is: 679,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,232.60 : 1,479,729.42 = 453,651.07 : x
  2. Step 2: Convert to fraction form
    987,232.60/1,479,729.42 = 453,651.07/x
  3. Step 3: Cross multiply
    987,232.60x = 1,479,729.42 × 453,651.07
  4. Step 4: Simplify right side
    987,232.60x = 671,280,834,693.48
  5. Step 5: Solve for x
    x = 671,280,834,693.48/987,232.60
  6. Step 6: Final answer
    x = 679,962.18

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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.