Home / 982,702.80-1,473,190.20-666,133.20

Finding the Fourth Proportional to 982,702.80, 1,473,190.20 and 666,133.20

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Solution

The fourth proportional to 982,702.80, 1,473,190.20 and 666,133.20 is: 998,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,702.80 : 1,473,190.20 = 666,133.20 : x
  2. Step 2: Convert to fraction form
    982,702.80/1,473,190.20 = 666,133.20/x
  3. Step 3: Cross multiply
    982,702.80x = 1,473,190.20 × 666,133.20
  4. Step 4: Simplify right side
    982,702.80x = 981,340,902,134.64
  5. Step 5: Solve for x
    x = 981,340,902,134.64/982,702.80
  6. Step 6: Final answer
    x = 998,614.13

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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.