Home / 1,665,988.20-2,498,982.30-955,431.90

Finding the Fourth Proportional to 1,665,988.20, 2,498,982.30 and 955,431.90

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Solution

The fourth proportional to 1,665,988.20, 2,498,982.30 and 955,431.90 is: 1,433,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,988.20 : 2,498,982.30 = 955,431.90 : x
  2. Step 2: Convert to fraction form
    1,665,988.20/2,498,982.30 = 955,431.90/x
  3. Step 3: Cross multiply
    1,665,988.20x = 2,498,982.30 × 955,431.90
  4. Step 4: Simplify right side
    1,665,988.20x = 2,387,607,406,955.37
  5. Step 5: Solve for x
    x = 2,387,607,406,955.37/1,665,988.20
  6. Step 6: Final answer
    x = 1,433,147.85

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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.