Home / 1,974,615.12-2,959,928.64-777,377.76

Finding the Fourth Proportional to 1,974,615.12, 2,959,928.64 and 777,377.76

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Solution

The fourth proportional to 1,974,615.12, 2,959,928.64 and 777,377.76 is: 1,165,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,615.12 : 2,959,928.64 = 777,377.76 : x
  2. Step 2: Convert to fraction form
    1,974,615.12/2,959,928.64 = 777,377.76/x
  3. Step 3: Cross multiply
    1,974,615.12x = 2,959,928.64 × 777,377.76
  4. Step 4: Simplify right side
    1,974,615.12x = 2,300,982,695,923.05
  5. Step 5: Solve for x
    x = 2,300,982,695,923.05/1,974,615.12
  6. Step 6: Final answer
    x = 1,165,281.61

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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.