Home / 1,008,003.16-1,391,046.78-555,301.72

Finding the Fourth Proportional to 1,008,003.16, 1,391,046.78 and 555,301.72

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Solution

The fourth proportional to 1,008,003.16, 1,391,046.78 and 555,301.72 is: 766,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,003.16 : 1,391,046.78 = 555,301.72 : x
  2. Step 2: Convert to fraction form
    1,008,003.16/1,391,046.78 = 555,301.72/x
  3. Step 3: Cross multiply
    1,008,003.16x = 1,391,046.78 × 555,301.72
  4. Step 4: Simplify right side
    1,008,003.16x = 772,450,669,534.46
  5. Step 5: Solve for x
    x = 772,450,669,534.46/1,008,003.16
  6. Step 6: Final answer
    x = 766,317.71

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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.