Home / 1,150,167.80-1,587,237.84-667,019.40

Finding the Fourth Proportional to 1,150,167.80, 1,587,237.84 and 667,019.40

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Solution

The fourth proportional to 1,150,167.80, 1,587,237.84 and 667,019.40 is: 920,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,167.80 : 1,587,237.84 = 667,019.40 : x
  2. Step 2: Convert to fraction form
    1,150,167.80/1,587,237.84 = 667,019.40/x
  3. Step 3: Cross multiply
    1,150,167.80x = 1,587,237.84 × 667,019.40
  4. Step 4: Simplify right side
    1,150,167.80x = 1,058,718,431,694.10
  5. Step 5: Solve for x
    x = 1,058,718,431,694.10/1,150,167.80
  6. Step 6: Final answer
    x = 920,490.41

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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.