Home / 1,471,649.52-2,031,044.68-818,340.68

Finding the Fourth Proportional to 1,471,649.52, 2,031,044.68 and 818,340.68

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Solution

The fourth proportional to 1,471,649.52, 2,031,044.68 and 818,340.68 is: 1,129,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,649.52 : 2,031,044.68 = 818,340.68 : x
  2. Step 2: Convert to fraction form
    1,471,649.52/2,031,044.68 = 818,340.68/x
  3. Step 3: Cross multiply
    1,471,649.52x = 2,031,044.68 × 818,340.68
  4. Step 4: Simplify right side
    1,471,649.52x = 1,662,086,477,418.12
  5. Step 5: Solve for x
    x = 1,662,086,477,418.12/1,471,649.52
  6. Step 6: Final answer
    x = 1,129,403.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.