Home / 1,451,040.20-2,176,997.70-777,444.20

Finding the Fourth Proportional to 1,451,040.20, 2,176,997.70 and 777,444.20

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Solution

The fourth proportional to 1,451,040.20, 2,176,997.70 and 777,444.20 is: 1,166,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,040.20 : 2,176,997.70 = 777,444.20 : x
  2. Step 2: Convert to fraction form
    1,451,040.20/2,176,997.70 = 777,444.20/x
  3. Step 3: Cross multiply
    1,451,040.20x = 2,176,997.70 × 777,444.20
  4. Step 4: Simplify right side
    1,451,040.20x = 1,692,494,235,278.34
  5. Step 5: Solve for x
    x = 1,692,494,235,278.34/1,451,040.20
  6. Step 6: Final answer
    x = 1,166,400.65

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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.