Home / 1,246,645.40-1,870,842.90-798,456.20

Finding the Fourth Proportional to 1,246,645.40, 1,870,842.90 and 798,456.20

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Solution

The fourth proportional to 1,246,645.40, 1,870,842.90 and 798,456.20 is: 1,198,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,645.40 : 1,870,842.90 = 798,456.20 : x
  2. Step 2: Convert to fraction form
    1,246,645.40/1,870,842.90 = 798,456.20/x
  3. Step 3: Cross multiply
    1,246,645.40x = 1,870,842.90 × 798,456.20
  4. Step 4: Simplify right side
    1,246,645.40x = 1,493,786,112,730.98
  5. Step 5: Solve for x
    x = 1,493,786,112,730.98/1,246,645.40
  6. Step 6: Final answer
    x = 1,198,244.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.