Home / 1,281,149.28-1,766,840.58-1,063,012.32

Finding the Fourth Proportional to 1,281,149.28, 1,766,840.58 and 1,063,012.32

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Solution

The fourth proportional to 1,281,149.28, 1,766,840.58 and 1,063,012.32 is: 1,466,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,149.28 : 1,766,840.58 = 1,063,012.32 : x
  2. Step 2: Convert to fraction form
    1,281,149.28/1,766,840.58 = 1,063,012.32/x
  3. Step 3: Cross multiply
    1,281,149.28x = 1,766,840.58 × 1,063,012.32
  4. Step 4: Simplify right side
    1,281,149.28x = 1,878,173,304,015.95
  5. Step 5: Solve for x
    x = 1,878,173,304,015.95/1,281,149.28
  6. Step 6: Final answer
    x = 1,466,006.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.