Home / 1,341,409.28-2,012,067.72-381,870.78

Finding the Fourth Proportional to 1,341,409.28, 2,012,067.72 and 381,870.78

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Solution

The fourth proportional to 1,341,409.28, 2,012,067.72 and 381,870.78 is: 572,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,409.28 : 2,012,067.72 = 381,870.78 : x
  2. Step 2: Convert to fraction form
    1,341,409.28/2,012,067.72 = 381,870.78/x
  3. Step 3: Cross multiply
    1,341,409.28x = 2,012,067.72 × 381,870.78
  4. Step 4: Simplify right side
    1,341,409.28x = 768,349,869,649.22
  5. Step 5: Solve for x
    x = 768,349,869,649.22/1,341,409.28
  6. Step 6: Final answer
    x = 572,793.02

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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.