Home / 1,344,052.80-2,016,079.20-918,273.60

Finding the Fourth Proportional to 1,344,052.80, 2,016,079.20 and 918,273.60

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Solution

The fourth proportional to 1,344,052.80, 2,016,079.20 and 918,273.60 is: 1,377,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,052.80 : 2,016,079.20 = 918,273.60 : x
  2. Step 2: Convert to fraction form
    1,344,052.80/2,016,079.20 = 918,273.60/x
  3. Step 3: Cross multiply
    1,344,052.80x = 2,016,079.20 × 918,273.60
  4. Step 4: Simplify right side
    1,344,052.80x = 1,851,312,304,869.12
  5. Step 5: Solve for x
    x = 1,851,312,304,869.12/1,344,052.80
  6. Step 6: Final answer
    x = 1,377,410.40

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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.