Home / 1,276,385.15-1,761,862.52-1,140,182.44

Finding the Fourth Proportional to 1,276,385.15, 1,761,862.52 and 1,140,182.44

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Solution

The fourth proportional to 1,276,385.15, 1,761,862.52 and 1,140,182.44 is: 1,573,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,385.15 : 1,761,862.52 = 1,140,182.44 : x
  2. Step 2: Convert to fraction form
    1,276,385.15/1,761,862.52 = 1,140,182.44/x
  3. Step 3: Cross multiply
    1,276,385.15x = 1,761,862.52 × 1,140,182.44
  4. Step 4: Simplify right side
    1,276,385.15x = 2,008,844,692,487.92
  5. Step 5: Solve for x
    x = 2,008,844,692,487.92/1,276,385.15
  6. Step 6: Final answer
    x = 1,573,854.64

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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.