Home / 1,386,711.76-1,914,251.62-843,021.22

Finding the Fourth Proportional to 1,386,711.76, 1,914,251.62 and 843,021.22

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Solution

The fourth proportional to 1,386,711.76, 1,914,251.62 and 843,021.22 is: 1,163,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,711.76 : 1,914,251.62 = 843,021.22 : x
  2. Step 2: Convert to fraction form
    1,386,711.76/1,914,251.62 = 843,021.22/x
  3. Step 3: Cross multiply
    1,386,711.76x = 1,914,251.62 × 843,021.22
  4. Step 4: Simplify right side
    1,386,711.76x = 1,613,754,736,079.38
  5. Step 5: Solve for x
    x = 1,613,754,736,079.38/1,386,711.76
  6. Step 6: Final answer
    x = 1,163,727.59

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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.