Home / 1,007,996.64-1,391,034.77-555,287.64

Finding the Fourth Proportional to 1,007,996.64, 1,391,034.77 and 555,287.64

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Solution

The fourth proportional to 1,007,996.64, 1,391,034.77 and 555,287.64 is: 766,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,996.64 : 1,391,034.77 = 555,287.64 : x
  2. Step 2: Convert to fraction form
    1,007,996.64/1,391,034.77 = 555,287.64/x
  3. Step 3: Cross multiply
    1,007,996.64x = 1,391,034.77 × 555,287.64
  4. Step 4: Simplify right side
    1,007,996.64x = 772,424,408,680.75
  5. Step 5: Solve for x
    x = 772,424,408,680.75/1,007,996.64
  6. Step 6: Final answer
    x = 766,296.61

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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.