Home / 1,577,149.80-2,365,724.70-911,524.20

Finding the Fourth Proportional to 1,577,149.80, 2,365,724.70 and 911,524.20

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Solution

The fourth proportional to 1,577,149.80, 2,365,724.70 and 911,524.20 is: 1,367,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,149.80 : 2,365,724.70 = 911,524.20 : x
  2. Step 2: Convert to fraction form
    1,577,149.80/2,365,724.70 = 911,524.20/x
  3. Step 3: Cross multiply
    1,577,149.80x = 2,365,724.70 × 911,524.20
  4. Step 4: Simplify right side
    1,577,149.80x = 2,156,415,314,587.74
  5. Step 5: Solve for x
    x = 2,156,415,314,587.74/1,577,149.80
  6. Step 6: Final answer
    x = 1,367,286.30

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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.