Home / 1,079,820.72-1,616,334.21-740,879.46

Finding the Fourth Proportional to 1,079,820.72, 1,616,334.21 and 740,879.46

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Solution

The fourth proportional to 1,079,820.72, 1,616,334.21 and 740,879.46 is: 1,108,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,820.72 : 1,616,334.21 = 740,879.46 : x
  2. Step 2: Convert to fraction form
    1,079,820.72/1,616,334.21 = 740,879.46/x
  3. Step 3: Cross multiply
    1,079,820.72x = 1,616,334.21 × 740,879.46
  4. Step 4: Simplify right side
    1,079,820.72x = 1,197,508,816,684.33
  5. Step 5: Solve for x
    x = 1,197,508,816,684.33/1,079,820.72
  6. Step 6: Final answer
    x = 1,108,988.55

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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.