Home / 1,659,868.80-2,290,588.80-934,713.60

Finding the Fourth Proportional to 1,659,868.80, 2,290,588.80 and 934,713.60

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Solution

The fourth proportional to 1,659,868.80, 2,290,588.80 and 934,713.60 is: 1,289,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,868.80 : 2,290,588.80 = 934,713.60 : x
  2. Step 2: Convert to fraction form
    1,659,868.80/2,290,588.80 = 934,713.60/x
  3. Step 3: Cross multiply
    1,659,868.80x = 2,290,588.80 × 934,713.60
  4. Step 4: Simplify right side
    1,659,868.80x = 2,141,044,503,367.68
  5. Step 5: Solve for x
    x = 2,141,044,503,367.68/1,659,868.80
  6. Step 6: Final answer
    x = 1,289,887.79

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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.