Home / 1,112,451.51-1,664,108.85-888,249.72

Finding the Fourth Proportional to 1,112,451.51, 1,664,108.85 and 888,249.72

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Solution

The fourth proportional to 1,112,451.51, 1,664,108.85 and 888,249.72 is: 1,328,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,451.51 : 1,664,108.85 = 888,249.72 : x
  2. Step 2: Convert to fraction form
    1,112,451.51/1,664,108.85 = 888,249.72/x
  3. Step 3: Cross multiply
    1,112,451.51x = 1,664,108.85 × 888,249.72
  4. Step 4: Simplify right side
    1,112,451.51x = 1,478,144,220,062.02
  5. Step 5: Solve for x
    x = 1,478,144,220,062.02/1,112,451.51
  6. Step 6: Final answer
    x = 1,328,726.88

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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.