Home / 1,330,584.85-1,995,385.20-432,055.90

Finding the Fourth Proportional to 1,330,584.85, 1,995,385.20 and 432,055.90

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Solution

The fourth proportional to 1,330,584.85, 1,995,385.20 and 432,055.90 is: 647,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,584.85 : 1,995,385.20 = 432,055.90 : x
  2. Step 2: Convert to fraction form
    1,330,584.85/1,995,385.20 = 432,055.90/x
  3. Step 3: Cross multiply
    1,330,584.85x = 1,995,385.20 × 432,055.90
  4. Step 4: Simplify right side
    1,330,584.85x = 862,117,948,432.68
  5. Step 5: Solve for x
    x = 862,117,948,432.68/1,330,584.85
  6. Step 6: Final answer
    x = 647,924.07

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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.