Home / 1,305,062.32-1,957,589.52-358,433.88

Finding the Fourth Proportional to 1,305,062.32, 1,957,589.52 and 358,433.88

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Solution

The fourth proportional to 1,305,062.32, 1,957,589.52 and 358,433.88 is: 537,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,062.32 : 1,957,589.52 = 358,433.88 : x
  2. Step 2: Convert to fraction form
    1,305,062.32/1,957,589.52 = 358,433.88/x
  3. Step 3: Cross multiply
    1,305,062.32x = 1,957,589.52 × 358,433.88
  4. Step 4: Simplify right side
    1,305,062.32x = 701,666,407,100.94
  5. Step 5: Solve for x
    x = 701,666,407,100.94/1,305,062.32
  6. Step 6: Final answer
    x = 537,649.73

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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.