Home / 681,124.92-1,020,112.74-657,505.32

Finding the Fourth Proportional to 681,124.92, 1,020,112.74 and 657,505.32

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Solution

The fourth proportional to 681,124.92, 1,020,112.74 and 657,505.32 is: 984,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,124.92 : 1,020,112.74 = 657,505.32 : x
  2. Step 2: Convert to fraction form
    681,124.92/1,020,112.74 = 657,505.32/x
  3. Step 3: Cross multiply
    681,124.92x = 1,020,112.74 × 657,505.32
  4. Step 4: Simplify right side
    681,124.92x = 670,729,553,549.78
  5. Step 5: Solve for x
    x = 670,729,553,549.78/681,124.92
  6. Step 6: Final answer
    x = 984,737.94

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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.