Home / 1,660,356.81-2,487,531.69-762,549.57

Finding the Fourth Proportional to 1,660,356.81, 2,487,531.69 and 762,549.57

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Solution

The fourth proportional to 1,660,356.81, 2,487,531.69 and 762,549.57 is: 1,142,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,356.81 : 2,487,531.69 = 762,549.57 : x
  2. Step 2: Convert to fraction form
    1,660,356.81/2,487,531.69 = 762,549.57/x
  3. Step 3: Cross multiply
    1,660,356.81x = 2,487,531.69 × 762,549.57
  4. Step 4: Simplify right side
    1,660,356.81x = 1,896,866,220,570.87
  5. Step 5: Solve for x
    x = 1,896,866,220,570.87/1,660,356.81
  6. Step 6: Final answer
    x = 1,142,444.93

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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.