Home / 1,119,229.86-1,544,738.67-660,317.97

Finding the Fourth Proportional to 1,119,229.86, 1,544,738.67 and 660,317.97

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Solution

The fourth proportional to 1,119,229.86, 1,544,738.67 and 660,317.97 is: 911,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,229.86 : 1,544,738.67 = 660,317.97 : x
  2. Step 2: Convert to fraction form
    1,119,229.86/1,544,738.67 = 660,317.97/x
  3. Step 3: Cross multiply
    1,119,229.86x = 1,544,738.67 × 660,317.97
  4. Step 4: Simplify right side
    1,119,229.86x = 1,020,018,702,754.90
  5. Step 5: Solve for x
    x = 1,020,018,702,754.90/1,119,229.86
  6. Step 6: Final answer
    x = 911,357.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.