Home / 1,330,609.60-1,995,422.32-432,080.65

Finding the Fourth Proportional to 1,330,609.60, 1,995,422.32 and 432,080.65

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Solution

The fourth proportional to 1,330,609.60, 1,995,422.32 and 432,080.65 is: 647,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,609.60 : 1,995,422.32 = 432,080.65 : x
  2. Step 2: Convert to fraction form
    1,330,609.60/1,995,422.32 = 432,080.65/x
  3. Step 3: Cross multiply
    1,330,609.60x = 1,995,422.32 × 432,080.65
  4. Step 4: Simplify right side
    1,330,609.60x = 862,183,373,050.11
  5. Step 5: Solve for x
    x = 862,183,373,050.11/1,330,609.60
  6. Step 6: Final answer
    x = 647,961.18

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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.