Home / 1,451,629-2,003,248.02-815,725

Finding the Fourth Proportional to 1,451,629, 2,003,248.02 and 815,725

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Solution

The fourth proportional to 1,451,629, 2,003,248.02 and 815,725 is: 1,125,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,629 : 2,003,248.02 = 815,725 : x
  2. Step 2: Convert to fraction form
    1,451,629/2,003,248.02 = 815,725/x
  3. Step 3: Cross multiply
    1,451,629x = 2,003,248.02 × 815,725
  4. Step 4: Simplify right side
    1,451,629x = 1,634,099,491,114.50
  5. Step 5: Solve for x
    x = 1,634,099,491,114.50/1,451,629
  6. Step 6: Final answer
    x = 1,125,700.50

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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.