Home / 1,102,217.10-1,521,007.84-612,218.39

Finding the Fourth Proportional to 1,102,217.10, 1,521,007.84 and 612,218.39

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Solution

The fourth proportional to 1,102,217.10, 1,521,007.84 and 612,218.39 is: 844,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,217.10 : 1,521,007.84 = 612,218.39 : x
  2. Step 2: Convert to fraction form
    1,102,217.10/1,521,007.84 = 612,218.39/x
  3. Step 3: Cross multiply
    1,102,217.10x = 1,521,007.84 × 612,218.39
  4. Step 4: Simplify right side
    1,102,217.10x = 931,188,965,100.84
  5. Step 5: Solve for x
    x = 931,188,965,100.84/1,102,217.10
  6. Step 6: Final answer
    x = 844,832.62

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Double scale
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1.5x scale

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.