Home / 1,861,132.29-2,790,503.62-722,681.41

Finding the Fourth Proportional to 1,861,132.29, 2,790,503.62 and 722,681.41

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Solution

The fourth proportional to 1,861,132.29, 2,790,503.62 and 722,681.41 is: 1,083,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,132.29 : 2,790,503.62 = 722,681.41 : x
  2. Step 2: Convert to fraction form
    1,861,132.29/2,790,503.62 = 722,681.41/x
  3. Step 3: Cross multiply
    1,861,132.29x = 2,790,503.62 × 722,681.41
  4. Step 4: Simplify right side
    1,861,132.29x = 2,016,645,092,030.99
  5. Step 5: Solve for x
    x = 2,016,645,092,030.99/1,861,132.29
  6. Step 6: Final answer
    x = 1,083,558.17

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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.