Home / 1,344,118.80-2,016,761.40-679,270.80

Finding the Fourth Proportional to 1,344,118.80, 2,016,761.40 and 679,270.80

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Solution

The fourth proportional to 1,344,118.80, 2,016,761.40 and 679,270.80 is: 1,019,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,118.80 : 2,016,761.40 = 679,270.80 : x
  2. Step 2: Convert to fraction form
    1,344,118.80/2,016,761.40 = 679,270.80/x
  3. Step 3: Cross multiply
    1,344,118.80x = 2,016,761.40 × 679,270.80
  4. Step 4: Simplify right side
    1,344,118.80x = 1,369,927,129,587.12
  5. Step 5: Solve for x
    x = 1,369,927,129,587.12/1,344,118.80
  6. Step 6: Final answer
    x = 1,019,200.93

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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.