Home / 1,420,120.40-2,126,681.40-944,229.20

Finding the Fourth Proportional to 1,420,120.40, 2,126,681.40 and 944,229.20

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Solution

The fourth proportional to 1,420,120.40, 2,126,681.40 and 944,229.20 is: 1,414,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,120.40 : 2,126,681.40 = 944,229.20 : x
  2. Step 2: Convert to fraction form
    1,420,120.40/2,126,681.40 = 944,229.20/x
  3. Step 3: Cross multiply
    1,420,120.40x = 2,126,681.40 × 944,229.20
  4. Step 4: Simplify right side
    1,420,120.40x = 2,008,074,676,976.88
  5. Step 5: Solve for x
    x = 2,008,074,676,976.88/1,420,120.40
  6. Step 6: Final answer
    x = 1,414,017.20

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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.