Home / 1,071,255.06-1,605,752.84-351,408.78

Finding the Fourth Proportional to 1,071,255.06, 1,605,752.84 and 351,408.78

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Solution

The fourth proportional to 1,071,255.06, 1,605,752.84 and 351,408.78 is: 526,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,255.06 : 1,605,752.84 = 351,408.78 : x
  2. Step 2: Convert to fraction form
    1,071,255.06/1,605,752.84 = 351,408.78/x
  3. Step 3: Cross multiply
    1,071,255.06x = 1,605,752.84 × 351,408.78
  4. Step 4: Simplify right side
    1,071,255.06x = 564,275,644,728.89
  5. Step 5: Solve for x
    x = 564,275,644,728.89/1,071,255.06
  6. Step 6: Final answer
    x = 526,742.57

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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.