Home / 729,080.40-1,093,620.60-687,746.10

Finding the Fourth Proportional to 729,080.40, 1,093,620.60 and 687,746.10

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Solution

The fourth proportional to 729,080.40, 1,093,620.60 and 687,746.10 is: 1,031,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,080.40 : 1,093,620.60 = 687,746.10 : x
  2. Step 2: Convert to fraction form
    729,080.40/1,093,620.60 = 687,746.10/x
  3. Step 3: Cross multiply
    729,080.40x = 1,093,620.60 × 687,746.10
  4. Step 4: Simplify right side
    729,080.40x = 752,133,302,529.66
  5. Step 5: Solve for x
    x = 752,133,302,529.66/729,080.40
  6. Step 6: Final answer
    x = 1,031,619.15

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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.