Home / 917,693.29-1,266,063.42-676,549.20

Finding the Fourth Proportional to 917,693.29, 1,266,063.42 and 676,549.20

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Solution

The fourth proportional to 917,693.29, 1,266,063.42 and 676,549.20 is: 933,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,693.29 : 1,266,063.42 = 676,549.20 : x
  2. Step 2: Convert to fraction form
    917,693.29/1,266,063.42 = 676,549.20/x
  3. Step 3: Cross multiply
    917,693.29x = 1,266,063.42 × 676,549.20
  4. Step 4: Simplify right side
    917,693.29x = 856,554,193,950.26
  5. Step 5: Solve for x
    x = 856,554,193,950.26/917,693.29
  6. Step 6: Final answer
    x = 933,377.42

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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.