Home / 1,380,464.60-2,070,791.49-469,276.28

Finding the Fourth Proportional to 1,380,464.60, 2,070,791.49 and 469,276.28

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Solution

The fourth proportional to 1,380,464.60, 2,070,791.49 and 469,276.28 is: 703,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,464.60 : 2,070,791.49 = 469,276.28 : x
  2. Step 2: Convert to fraction form
    1,380,464.60/2,070,791.49 = 469,276.28/x
  3. Step 3: Cross multiply
    1,380,464.60x = 2,070,791.49 × 469,276.28
  4. Step 4: Simplify right side
    1,380,464.60x = 971,773,316,728.90
  5. Step 5: Solve for x
    x = 971,773,316,728.90/1,380,464.60
  6. Step 6: Final answer
    x = 703,946.57

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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.