Home / 1,127,841.67-1,690,020.92-761,668.14

Finding the Fourth Proportional to 1,127,841.67, 1,690,020.92 and 761,668.14

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Solution

The fourth proportional to 1,127,841.67, 1,690,020.92 and 761,668.14 is: 1,141,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,841.67 : 1,690,020.92 = 761,668.14 : x
  2. Step 2: Convert to fraction form
    1,127,841.67/1,690,020.92 = 761,668.14/x
  3. Step 3: Cross multiply
    1,127,841.67x = 1,690,020.92 × 761,668.14
  4. Step 4: Simplify right side
    1,127,841.67x = 1,287,235,098,939.24
  5. Step 5: Solve for x
    x = 1,287,235,098,939.24/1,127,841.67
  6. Step 6: Final answer
    x = 1,141,326.07

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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.