Home / 1,171,036.64-1,755,199.56-538,623.20

Finding the Fourth Proportional to 1,171,036.64, 1,755,199.56 and 538,623.20

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Solution

The fourth proportional to 1,171,036.64, 1,755,199.56 and 538,623.20 is: 807,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,036.64 : 1,755,199.56 = 538,623.20 : x
  2. Step 2: Convert to fraction form
    1,171,036.64/1,755,199.56 = 538,623.20/x
  3. Step 3: Cross multiply
    1,171,036.64x = 1,755,199.56 × 538,623.20
  4. Step 4: Simplify right side
    1,171,036.64x = 945,391,203,645.79
  5. Step 5: Solve for x
    x = 945,391,203,645.79/1,171,036.64
  6. Step 6: Final answer
    x = 807,311.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.