Home / 1,330,299.70-1,995,449.55-798,421.30

Finding the Fourth Proportional to 1,330,299.70, 1,995,449.55 and 798,421.30

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Solution

The fourth proportional to 1,330,299.70, 1,995,449.55 and 798,421.30 is: 1,197,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,299.70 : 1,995,449.55 = 798,421.30 : x
  2. Step 2: Convert to fraction form
    1,330,299.70/1,995,449.55 = 798,421.30/x
  3. Step 3: Cross multiply
    1,330,299.70x = 1,995,449.55 × 798,421.30
  4. Step 4: Simplify right side
    1,330,299.70x = 1,593,209,423,795.42
  5. Step 5: Solve for x
    x = 1,593,209,423,795.42/1,330,299.70
  6. Step 6: Final answer
    x = 1,197,631.95

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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.