Home / 1,053,378.76-1,580,067.18-343,406.92

Finding the Fourth Proportional to 1,053,378.76, 1,580,067.18 and 343,406.92

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Solution

The fourth proportional to 1,053,378.76, 1,580,067.18 and 343,406.92 is: 515,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,378.76 : 1,580,067.18 = 343,406.92 : x
  2. Step 2: Convert to fraction form
    1,053,378.76/1,580,067.18 = 343,406.92/x
  3. Step 3: Cross multiply
    1,053,378.76x = 1,580,067.18 × 343,406.92
  4. Step 4: Simplify right side
    1,053,378.76x = 542,606,003,676.89
  5. Step 5: Solve for x
    x = 542,606,003,676.89/1,053,378.76
  6. Step 6: Final answer
    x = 515,110.07

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1.5x scale

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.