Home / 992,257.40-1,488,386.10-656,334.20

Finding the Fourth Proportional to 992,257.40, 1,488,386.10 and 656,334.20

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Solution

The fourth proportional to 992,257.40, 1,488,386.10 and 656,334.20 is: 984,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,257.40 : 1,488,386.10 = 656,334.20 : x
  2. Step 2: Convert to fraction form
    992,257.40/1,488,386.10 = 656,334.20/x
  3. Step 3: Cross multiply
    992,257.40x = 1,488,386.10 × 656,334.20
  4. Step 4: Simplify right side
    992,257.40x = 976,878,700,234.62
  5. Step 5: Solve for x
    x = 976,878,700,234.62/992,257.40
  6. Step 6: Final answer
    x = 984,501.30

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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.