Home / 1,330,598.85-1,995,406.20-432,069.90

Finding the Fourth Proportional to 1,330,598.85, 1,995,406.20 and 432,069.90

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Solution

The fourth proportional to 1,330,598.85, 1,995,406.20 and 432,069.90 is: 647,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,598.85 : 1,995,406.20 = 432,069.90 : x
  2. Step 2: Convert to fraction form
    1,330,598.85/1,995,406.20 = 432,069.90/x
  3. Step 3: Cross multiply
    1,330,598.85x = 1,995,406.20 × 432,069.90
  4. Step 4: Simplify right side
    1,330,598.85x = 862,154,957,293.38
  5. Step 5: Solve for x
    x = 862,154,957,293.38/1,330,598.85
  6. Step 6: Final answer
    x = 647,945.06

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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.