Home / 1,008,600.96-1,391,865.12-555,891.84

Finding the Fourth Proportional to 1,008,600.96, 1,391,865.12 and 555,891.84

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Solution

The fourth proportional to 1,008,600.96, 1,391,865.12 and 555,891.84 is: 767,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,600.96 : 1,391,865.12 = 555,891.84 : x
  2. Step 2: Convert to fraction form
    1,008,600.96/1,391,865.12 = 555,891.84/x
  3. Step 3: Cross multiply
    1,008,600.96x = 1,391,865.12 × 555,891.84
  4. Step 4: Simplify right side
    1,008,600.96x = 773,726,462,588.62
  5. Step 5: Solve for x
    x = 773,726,462,588.62/1,008,600.96
  6. Step 6: Final answer
    x = 767,128.42

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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.