Home / 1,150,154.87-1,587,213.77-667,000.22

Finding the Fourth Proportional to 1,150,154.87, 1,587,213.77 and 667,000.22

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Solution

The fourth proportional to 1,150,154.87, 1,587,213.77 and 667,000.22 is: 920,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,154.87 : 1,587,213.77 = 667,000.22 : x
  2. Step 2: Convert to fraction form
    1,150,154.87/1,587,213.77 = 667,000.22/x
  3. Step 3: Cross multiply
    1,150,154.87x = 1,587,213.77 × 667,000.22
  4. Step 4: Simplify right side
    1,150,154.87x = 1,058,671,922,505.96
  5. Step 5: Solve for x
    x = 1,058,671,922,505.96/1,150,154.87
  6. Step 6: Final answer
    x = 920,460.33

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1.5x scale

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.