Home / 1,609,086.40-2,413,629.60-487,211.20

Finding the Fourth Proportional to 1,609,086.40, 2,413,629.60 and 487,211.20

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Solution

The fourth proportional to 1,609,086.40, 2,413,629.60 and 487,211.20 is: 730,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,086.40 : 2,413,629.60 = 487,211.20 : x
  2. Step 2: Convert to fraction form
    1,609,086.40/2,413,629.60 = 487,211.20/x
  3. Step 3: Cross multiply
    1,609,086.40x = 2,413,629.60 × 487,211.20
  4. Step 4: Simplify right side
    1,609,086.40x = 1,175,947,373,771.52
  5. Step 5: Solve for x
    x = 1,175,947,373,771.52/1,609,086.40
  6. Step 6: Final answer
    x = 730,816.80

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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.