Home / 1,150,157.78-1,587,224.03-667,009.38

Finding the Fourth Proportional to 1,150,157.78, 1,587,224.03 and 667,009.38

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Solution

The fourth proportional to 1,150,157.78, 1,587,224.03 and 667,009.38 is: 920,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,157.78 : 1,587,224.03 = 667,009.38 : x
  2. Step 2: Convert to fraction form
    1,150,157.78/1,587,224.03 = 667,009.38/x
  3. Step 3: Cross multiply
    1,150,157.78x = 1,587,224.03 × 667,009.38
  4. Step 4: Simplify right side
    1,150,157.78x = 1,058,693,312,836.35
  5. Step 5: Solve for x
    x = 1,058,693,312,836.35/1,150,157.78
  6. Step 6: Final answer
    x = 920,476.60

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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.