Home / 982,128.30-1,473,192.45-667,200.30

Finding the Fourth Proportional to 982,128.30, 1,473,192.45 and 667,200.30

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Solution

The fourth proportional to 982,128.30, 1,473,192.45 and 667,200.30 is: 1,000,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,128.30 : 1,473,192.45 = 667,200.30 : x
  2. Step 2: Convert to fraction form
    982,128.30/1,473,192.45 = 667,200.30/x
  3. Step 3: Cross multiply
    982,128.30x = 1,473,192.45 × 667,200.30
  4. Step 4: Simplify right side
    982,128.30x = 982,914,444,597.74
  5. Step 5: Solve for x
    x = 982,914,444,597.74/982,128.30
  6. Step 6: Final answer
    x = 1,000,800.45

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Similar ratio
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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.