Home / 1,659,337.75-2,489,006.63-477,385.75

Finding the Fourth Proportional to 1,659,337.75, 2,489,006.63 and 477,385.75

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Solution

The fourth proportional to 1,659,337.75, 2,489,006.63 and 477,385.75 is: 716,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,337.75 : 2,489,006.63 = 477,385.75 : x
  2. Step 2: Convert to fraction form
    1,659,337.75/2,489,006.63 = 477,385.75/x
  3. Step 3: Cross multiply
    1,659,337.75x = 2,489,006.63 × 477,385.75
  4. Step 4: Simplify right side
    1,659,337.75x = 1,188,216,296,817.52
  5. Step 5: Solve for x
    x = 1,188,216,296,817.52/1,659,337.75
  6. Step 6: Final answer
    x = 716,078.63

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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.