Home / 1,943,725.32-2,915,566.92-664,320.60

Finding the Fourth Proportional to 1,943,725.32, 2,915,566.92 and 664,320.60

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Solution

The fourth proportional to 1,943,725.32, 2,915,566.92 and 664,320.60 is: 996,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,725.32 : 2,915,566.92 = 664,320.60 : x
  2. Step 2: Convert to fraction form
    1,943,725.32/2,915,566.92 = 664,320.60/x
  3. Step 3: Cross multiply
    1,943,725.32x = 2,915,566.92 × 664,320.60
  4. Step 4: Simplify right side
    1,943,725.32x = 1,936,871,165,634.55
  5. Step 5: Solve for x
    x = 1,936,871,165,634.55/1,943,725.32
  6. Step 6: Final answer
    x = 996,473.70

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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.