Home / 1,004,086.22-1,385,296.79-641,719.12

Finding the Fourth Proportional to 1,004,086.22, 1,385,296.79 and 641,719.12

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Solution

The fourth proportional to 1,004,086.22, 1,385,296.79 and 641,719.12 is: 885,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,086.22 : 1,385,296.79 = 641,719.12 : x
  2. Step 2: Convert to fraction form
    1,004,086.22/1,385,296.79 = 641,719.12/x
  3. Step 3: Cross multiply
    1,004,086.22x = 1,385,296.79 × 641,719.12
  4. Step 4: Simplify right side
    1,004,086.22x = 888,971,437,017.63
  5. Step 5: Solve for x
    x = 888,971,437,017.63/1,004,086.22
  6. Step 6: Final answer
    x = 885,353.69

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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.