Home / 826,451.40-1,239,541.02-772,654.44

Finding the Fourth Proportional to 826,451.40, 1,239,541.02 and 772,654.44

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Solution

The fourth proportional to 826,451.40, 1,239,541.02 and 772,654.44 is: 1,158,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,451.40 : 1,239,541.02 = 772,654.44 : x
  2. Step 2: Convert to fraction form
    826,451.40/1,239,541.02 = 772,654.44/x
  3. Step 3: Cross multiply
    826,451.40x = 1,239,541.02 × 772,654.44
  4. Step 4: Simplify right side
    826,451.40x = 957,736,872,665.13
  5. Step 5: Solve for x
    x = 957,736,872,665.13/826,451.40
  6. Step 6: Final answer
    x = 1,158,854.44

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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.