Home / 980,179.80-1,470,269.70-814,291.80

Finding the Fourth Proportional to 980,179.80, 1,470,269.70 and 814,291.80

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Solution

The fourth proportional to 980,179.80, 1,470,269.70 and 814,291.80 is: 1,221,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,179.80 : 1,470,269.70 = 814,291.80 : x
  2. Step 2: Convert to fraction form
    980,179.80/1,470,269.70 = 814,291.80/x
  3. Step 3: Cross multiply
    980,179.80x = 1,470,269.70 × 814,291.80
  4. Step 4: Simplify right side
    980,179.80x = 1,197,228,560,498.46
  5. Step 5: Solve for x
    x = 1,197,228,560,498.46/980,179.80
  6. Step 6: Final answer
    x = 1,221,437.70

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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.