Home / 1,288,481.36-1,932,999.86-377,738.72

Finding the Fourth Proportional to 1,288,481.36, 1,932,999.86 and 377,738.72

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Solution

The fourth proportional to 1,288,481.36, 1,932,999.86 and 377,738.72 is: 566,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,481.36 : 1,932,999.86 = 377,738.72 : x
  2. Step 2: Convert to fraction form
    1,288,481.36/1,932,999.86 = 377,738.72/x
  3. Step 3: Cross multiply
    1,288,481.36x = 1,932,999.86 × 377,738.72
  4. Step 4: Simplify right side
    1,288,481.36x = 730,168,884,155.93
  5. Step 5: Solve for x
    x = 730,168,884,155.93/1,288,481.36
  6. Step 6: Final answer
    x = 566,689.52

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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.