Home / 1,439,067.78-2,158,572.02-479,593.06

Finding the Fourth Proportional to 1,439,067.78, 2,158,572.02 and 479,593.06

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Solution

The fourth proportional to 1,439,067.78, 2,158,572.02 and 479,593.06 is: 719,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,067.78 : 2,158,572.02 = 479,593.06 : x
  2. Step 2: Convert to fraction form
    1,439,067.78/2,158,572.02 = 479,593.06/x
  3. Step 3: Cross multiply
    1,439,067.78x = 2,158,572.02 × 479,593.06
  4. Step 4: Simplify right side
    1,439,067.78x = 1,035,236,161,276.48
  5. Step 5: Solve for x
    x = 1,035,236,161,276.48/1,439,067.78
  6. Step 6: Final answer
    x = 719,379.71

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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.