Home / 1,018,991.52-1,403,777.88-712,494.39

Finding the Fourth Proportional to 1,018,991.52, 1,403,777.88 and 712,494.39

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Solution

The fourth proportional to 1,018,991.52, 1,403,777.88 and 712,494.39 is: 981,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,991.52 : 1,403,777.88 = 712,494.39 : x
  2. Step 2: Convert to fraction form
    1,018,991.52/1,403,777.88 = 712,494.39/x
  3. Step 3: Cross multiply
    1,018,991.52x = 1,403,777.88 × 712,494.39
  4. Step 4: Simplify right side
    1,018,991.52x = 1,000,183,864,306.09
  5. Step 5: Solve for x
    x = 1,000,183,864,306.09/1,018,991.52
  6. Step 6: Final answer
    x = 981,542.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.