Home / 1,204,762.12-1,662,448.50-721,314.70

Finding the Fourth Proportional to 1,204,762.12, 1,662,448.50 and 721,314.70

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Solution

The fourth proportional to 1,204,762.12, 1,662,448.50 and 721,314.70 is: 995,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,762.12 : 1,662,448.50 = 721,314.70 : x
  2. Step 2: Convert to fraction form
    1,204,762.12/1,662,448.50 = 721,314.70/x
  3. Step 3: Cross multiply
    1,204,762.12x = 1,662,448.50 × 721,314.70
  4. Step 4: Simplify right side
    1,204,762.12x = 1,199,148,541,042.95
  5. Step 5: Solve for x
    x = 1,199,148,541,042.95/1,204,762.12
  6. Step 6: Final answer
    x = 995,340.51

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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.