Home / 1,609,813.60-2,414,720.40-487,736.80

Finding the Fourth Proportional to 1,609,813.60, 2,414,720.40 and 487,736.80

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Solution

The fourth proportional to 1,609,813.60, 2,414,720.40 and 487,736.80 is: 731,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,813.60 : 2,414,720.40 = 487,736.80 : x
  2. Step 2: Convert to fraction form
    1,609,813.60/2,414,720.40 = 487,736.80/x
  3. Step 3: Cross multiply
    1,609,813.60x = 2,414,720.40 × 487,736.80
  4. Step 4: Simplify right side
    1,609,813.60x = 1,177,748,000,790.72
  5. Step 5: Solve for x
    x = 1,177,748,000,790.72/1,609,813.60
  6. Step 6: Final answer
    x = 731,605.20

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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.