Home / 1,112,763.06-1,667,237.76-747,339.66

Finding the Fourth Proportional to 1,112,763.06, 1,667,237.76 and 747,339.66

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Solution

The fourth proportional to 1,112,763.06, 1,667,237.76 and 747,339.66 is: 1,119,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,763.06 : 1,667,237.76 = 747,339.66 : x
  2. Step 2: Convert to fraction form
    1,112,763.06/1,667,237.76 = 747,339.66/x
  3. Step 3: Cross multiply
    1,112,763.06x = 1,667,237.76 × 747,339.66
  4. Step 4: Simplify right side
    1,112,763.06x = 1,245,992,900,697.56
  5. Step 5: Solve for x
    x = 1,245,992,900,697.56/1,112,763.06
  6. Step 6: Final answer
    x = 1,119,728.85

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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.