Home / 1,418,262.18-2,127,786.94-787,618.86

Finding the Fourth Proportional to 1,418,262.18, 2,127,786.94 and 787,618.86

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Solution

The fourth proportional to 1,418,262.18, 2,127,786.94 and 787,618.86 is: 1,181,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,262.18 : 2,127,786.94 = 787,618.86 : x
  2. Step 2: Convert to fraction form
    1,418,262.18/2,127,786.94 = 787,618.86/x
  3. Step 3: Cross multiply
    1,418,262.18x = 2,127,786.94 × 787,618.86
  4. Step 4: Simplify right side
    1,418,262.18x = 1,675,885,124,005.69
  5. Step 5: Solve for x
    x = 1,675,885,124,005.69/1,418,262.18
  6. Step 6: Final answer
    x = 1,181,646.91

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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.