Home / 1,343,266.10-2,016,454.35-811,387.70

Finding the Fourth Proportional to 1,343,266.10, 2,016,454.35 and 811,387.70

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Solution

The fourth proportional to 1,343,266.10, 2,016,454.35 and 811,387.70 is: 1,218,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,266.10 : 2,016,454.35 = 811,387.70 : x
  2. Step 2: Convert to fraction form
    1,343,266.10/2,016,454.35 = 811,387.70/x
  3. Step 3: Cross multiply
    1,343,266.10x = 2,016,454.35 × 811,387.70
  4. Step 4: Simplify right side
    1,343,266.10x = 1,636,126,257,201.50
  5. Step 5: Solve for x
    x = 1,636,126,257,201.50/1,343,266.10
  6. Step 6: Final answer
    x = 1,218,020.95

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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.