Home / 1,330,306.20-1,995,459.30-798,427.80

Finding the Fourth Proportional to 1,330,306.20, 1,995,459.30 and 798,427.80

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Solution

The fourth proportional to 1,330,306.20, 1,995,459.30 and 798,427.80 is: 1,197,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,306.20 : 1,995,459.30 = 798,427.80 : x
  2. Step 2: Convert to fraction form
    1,330,306.20/1,995,459.30 = 798,427.80/x
  3. Step 3: Cross multiply
    1,330,306.20x = 1,995,459.30 × 798,427.80
  4. Step 4: Simplify right side
    1,330,306.20x = 1,593,230,178,888.54
  5. Step 5: Solve for x
    x = 1,593,230,178,888.54/1,330,306.20
  6. Step 6: Final answer
    x = 1,197,641.70

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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.