Home / 1,429,086.76-2,143,675.50-718,726.60

Finding the Fourth Proportional to 1,429,086.76, 2,143,675.50 and 718,726.60

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Solution

The fourth proportional to 1,429,086.76, 2,143,675.50 and 718,726.60 is: 1,078,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,086.76 : 2,143,675.50 = 718,726.60 : x
  2. Step 2: Convert to fraction form
    1,429,086.76/2,143,675.50 = 718,726.60/x
  3. Step 3: Cross multiply
    1,429,086.76x = 2,143,675.50 × 718,726.60
  4. Step 4: Simplify right side
    1,429,086.76x = 1,540,716,603,618.30
  5. Step 5: Solve for x
    x = 1,540,716,603,618.30/1,429,086.76
  6. Step 6: Final answer
    x = 1,078,112.71

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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.