Home / 1,269,231.32-1,904,345.40-558,760.88

Finding the Fourth Proportional to 1,269,231.32, 1,904,345.40 and 558,760.88

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Solution

The fourth proportional to 1,269,231.32, 1,904,345.40 and 558,760.88 is: 838,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,231.32 : 1,904,345.40 = 558,760.88 : x
  2. Step 2: Convert to fraction form
    1,269,231.32/1,904,345.40 = 558,760.88/x
  3. Step 3: Cross multiply
    1,269,231.32x = 1,904,345.40 × 558,760.88
  4. Step 4: Simplify right side
    1,269,231.32x = 1,064,073,711,527.95
  5. Step 5: Solve for x
    x = 1,064,073,711,527.95/1,269,231.32
  6. Step 6: Final answer
    x = 838,360.74

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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.