Home / 1,330,608.35-1,995,420.45-432,079.40

Finding the Fourth Proportional to 1,330,608.35, 1,995,420.45 and 432,079.40

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Solution

The fourth proportional to 1,330,608.35, 1,995,420.45 and 432,079.40 is: 647,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,608.35 : 1,995,420.45 = 432,079.40 : x
  2. Step 2: Convert to fraction form
    1,330,608.35/1,995,420.45 = 432,079.40/x
  3. Step 3: Cross multiply
    1,330,608.35x = 1,995,420.45 × 432,079.40
  4. Step 4: Simplify right side
    1,330,608.35x = 862,180,070,783.73
  5. Step 5: Solve for x
    x = 862,180,070,783.73/1,330,608.35
  6. Step 6: Final answer
    x = 647,959.31

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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.