Home / 1,278,896.60-1,917,022.98-479,614.52

Finding the Fourth Proportional to 1,278,896.60, 1,917,022.98 and 479,614.52

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Solution

The fourth proportional to 1,278,896.60, 1,917,022.98 and 479,614.52 is: 718,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,896.60 : 1,917,022.98 = 479,614.52 : x
  2. Step 2: Convert to fraction form
    1,278,896.60/1,917,022.98 = 479,614.52/x
  3. Step 3: Cross multiply
    1,278,896.60x = 1,917,022.98 × 479,614.52
  4. Step 4: Simplify right side
    1,278,896.60x = 919,432,056,381.67
  5. Step 5: Solve for x
    x = 919,432,056,381.67/1,278,896.60
  6. Step 6: Final answer
    x = 718,926.03

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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.