Home / 1,004,087.22-1,385,298.17-641,720.12

Finding the Fourth Proportional to 1,004,087.22, 1,385,298.17 and 641,720.12

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Solution

The fourth proportional to 1,004,087.22, 1,385,298.17 and 641,720.12 is: 885,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,087.22 : 1,385,298.17 = 641,720.12 : x
  2. Step 2: Convert to fraction form
    1,004,087.22/1,385,298.17 = 641,720.12/x
  3. Step 3: Cross multiply
    1,004,087.22x = 1,385,298.17 × 641,720.12
  4. Step 4: Simplify right side
    1,004,087.22x = 888,973,707,888.18
  5. Step 5: Solve for x
    x = 888,973,707,888.18/1,004,087.22
  6. Step 6: Final answer
    x = 885,355.07

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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.