Home / 1,069,008.15-1,474,671.87-660,979.56

Finding the Fourth Proportional to 1,069,008.15, 1,474,671.87 and 660,979.56

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Solution

The fourth proportional to 1,069,008.15, 1,474,671.87 and 660,979.56 is: 911,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,008.15 : 1,474,671.87 = 660,979.56 : x
  2. Step 2: Convert to fraction form
    1,069,008.15/1,474,671.87 = 660,979.56/x
  3. Step 3: Cross multiply
    1,069,008.15x = 1,474,671.87 × 660,979.56
  4. Step 4: Simplify right side
    1,069,008.15x = 974,727,963,776.98
  5. Step 5: Solve for x
    x = 974,727,963,776.98/1,069,008.15
  6. Step 6: Final answer
    x = 911,805.92

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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.