Home / 1,361,200.13-2,043,060.45-687,755.40

Finding the Fourth Proportional to 1,361,200.13, 2,043,060.45 and 687,755.40

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Solution

The fourth proportional to 1,361,200.13, 2,043,060.45 and 687,755.40 is: 1,032,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,200.13 : 2,043,060.45 = 687,755.40 : x
  2. Step 2: Convert to fraction form
    1,361,200.13/2,043,060.45 = 687,755.40/x
  3. Step 3: Cross multiply
    1,361,200.13x = 2,043,060.45 × 687,755.40
  4. Step 4: Simplify right side
    1,361,200.13x = 1,405,125,857,013.93
  5. Step 5: Solve for x
    x = 1,405,125,857,013.93/1,361,200.13
  6. Step 6: Final answer
    x = 1,032,269.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.