Home / 1,027,300.95-1,418,004.50-721,451.43

Finding the Fourth Proportional to 1,027,300.95, 1,418,004.50 and 721,451.43

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Solution

The fourth proportional to 1,027,300.95, 1,418,004.50 and 721,451.43 is: 995,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,300.95 : 1,418,004.50 = 721,451.43 : x
  2. Step 2: Convert to fraction form
    1,027,300.95/1,418,004.50 = 721,451.43/x
  3. Step 3: Cross multiply
    1,027,300.95x = 1,418,004.50 × 721,451.43
  4. Step 4: Simplify right side
    1,027,300.95x = 1,023,021,370,664.18
  5. Step 5: Solve for x
    x = 1,023,021,370,664.18/1,027,300.95
  6. Step 6: Final answer
    x = 995,834.15

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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.