Home / 1,391,524.76-2,087,584.66-431,959.32

Finding the Fourth Proportional to 1,391,524.76, 2,087,584.66 and 431,959.32

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Solution

The fourth proportional to 1,391,524.76, 2,087,584.66 and 431,959.32 is: 648,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,524.76 : 2,087,584.66 = 431,959.32 : x
  2. Step 2: Convert to fraction form
    1,391,524.76/2,087,584.66 = 431,959.32/x
  3. Step 3: Cross multiply
    1,391,524.76x = 2,087,584.66 × 431,959.32
  4. Step 4: Simplify right side
    1,391,524.76x = 901,751,650,176.03
  5. Step 5: Solve for x
    x = 901,751,650,176.03/1,391,524.76
  6. Step 6: Final answer
    x = 648,031.34

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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.