Home / 1,330,456.20-1,995,684.30-572,660.70

Finding the Fourth Proportional to 1,330,456.20, 1,995,684.30 and 572,660.70

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Solution

The fourth proportional to 1,330,456.20, 1,995,684.30 and 572,660.70 is: 858,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,456.20 : 1,995,684.30 = 572,660.70 : x
  2. Step 2: Convert to fraction form
    1,330,456.20/1,995,684.30 = 572,660.70/x
  3. Step 3: Cross multiply
    1,330,456.20x = 1,995,684.30 × 572,660.70
  4. Step 4: Simplify right side
    1,330,456.20x = 1,142,849,968,217.01
  5. Step 5: Solve for x
    x = 1,142,849,968,217.01/1,330,456.20
  6. Step 6: Final answer
    x = 858,991.05

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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.