Home / 1,053,891.10-1,581,088.14-343,920.42

Finding the Fourth Proportional to 1,053,891.10, 1,581,088.14 and 343,920.42

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Solution

The fourth proportional to 1,053,891.10, 1,581,088.14 and 343,920.42 is: 515,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,891.10 : 1,581,088.14 = 343,920.42 : x
  2. Step 2: Convert to fraction form
    1,053,891.10/1,581,088.14 = 343,920.42/x
  3. Step 3: Cross multiply
    1,053,891.10x = 1,581,088.14 × 343,920.42
  4. Step 4: Simplify right side
    1,053,891.10x = 543,768,497,165.82
  5. Step 5: Solve for x
    x = 543,768,497,165.82/1,053,891.10
  6. Step 6: Final answer
    x = 515,962.70

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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.