Home / 1,150,249.29-1,587,350.32-667,100.90

Finding the Fourth Proportional to 1,150,249.29, 1,587,350.32 and 667,100.90

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Solution

The fourth proportional to 1,150,249.29, 1,587,350.32 and 667,100.90 is: 920,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,249.29 : 1,587,350.32 = 667,100.90 : x
  2. Step 2: Convert to fraction form
    1,150,249.29/1,587,350.32 = 667,100.90/x
  3. Step 3: Cross multiply
    1,150,249.29x = 1,587,350.32 × 667,100.90
  4. Step 4: Simplify right side
    1,150,249.29x = 1,058,922,817,482.78
  5. Step 5: Solve for x
    x = 1,058,922,817,482.78/1,150,249.29
  6. Step 6: Final answer
    x = 920,602.89

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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.