Home / 751,269.60-1,126,805.76-372,042.72

Finding the Fourth Proportional to 751,269.60, 1,126,805.76 and 372,042.72

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Solution

The fourth proportional to 751,269.60, 1,126,805.76 and 372,042.72 is: 558,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,269.60 : 1,126,805.76 = 372,042.72 : x
  2. Step 2: Convert to fraction form
    751,269.60/1,126,805.76 = 372,042.72/x
  3. Step 3: Cross multiply
    751,269.60x = 1,126,805.76 × 372,042.72
  4. Step 4: Simplify right side
    751,269.60x = 419,219,879,862.07
  5. Step 5: Solve for x
    x = 419,219,879,862.07/751,269.60
  6. Step 6: Final answer
    x = 558,015.23

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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.