Home / 1,552,475.72-2,142,416.19-864,132.82

Finding the Fourth Proportional to 1,552,475.72, 2,142,416.19 and 864,132.82

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Solution

The fourth proportional to 1,552,475.72, 2,142,416.19 and 864,132.82 is: 1,192,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,475.72 : 2,142,416.19 = 864,132.82 : x
  2. Step 2: Convert to fraction form
    1,552,475.72/2,142,416.19 = 864,132.82/x
  3. Step 3: Cross multiply
    1,552,475.72x = 2,142,416.19 × 864,132.82
  4. Step 4: Simplify right side
    1,552,475.72x = 1,851,332,149,796.87
  5. Step 5: Solve for x
    x = 1,851,332,149,796.87/1,552,475.72
  6. Step 6: Final answer
    x = 1,192,503.13

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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.