Home / 1,344,078.80-2,016,962.04-545,363.60

Finding the Fourth Proportional to 1,344,078.80, 2,016,962.04 and 545,363.60

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Solution

The fourth proportional to 1,344,078.80, 2,016,962.04 and 545,363.60 is: 818,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,078.80 : 2,016,962.04 = 545,363.60 : x
  2. Step 2: Convert to fraction form
    1,344,078.80/2,016,962.04 = 545,363.60/x
  3. Step 3: Cross multiply
    1,344,078.80x = 2,016,962.04 × 545,363.60
  4. Step 4: Simplify right side
    1,344,078.80x = 1,099,977,679,197.74
  5. Step 5: Solve for x
    x = 1,099,977,679,197.74/1,344,078.80
  6. Step 6: Final answer
    x = 818,387.79

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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.