Home / 1,330,608.10-1,995,420.07-432,079.15

Finding the Fourth Proportional to 1,330,608.10, 1,995,420.07 and 432,079.15

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Solution

The fourth proportional to 1,330,608.10, 1,995,420.07 and 432,079.15 is: 647,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,608.10 : 1,995,420.07 = 432,079.15 : x
  2. Step 2: Convert to fraction form
    1,330,608.10/1,995,420.07 = 432,079.15/x
  3. Step 3: Cross multiply
    1,330,608.10x = 1,995,420.07 × 432,079.15
  4. Step 4: Simplify right side
    1,330,608.10x = 862,179,407,738.54
  5. Step 5: Solve for x
    x = 862,179,407,738.54/1,330,608.10
  6. Step 6: Final answer
    x = 647,958.94

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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.