Home / 1,086,253.60-1,629,963.60-455,231.20

Finding the Fourth Proportional to 1,086,253.60, 1,629,963.60 and 455,231.20

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Solution

The fourth proportional to 1,086,253.60, 1,629,963.60 and 455,231.20 is: 683,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,253.60 : 1,629,963.60 = 455,231.20 : x
  2. Step 2: Convert to fraction form
    1,086,253.60/1,629,963.60 = 455,231.20/x
  3. Step 3: Cross multiply
    1,086,253.60x = 1,629,963.60 × 455,231.20
  4. Step 4: Simplify right side
    1,086,253.60x = 742,010,285,584.32
  5. Step 5: Solve for x
    x = 742,010,285,584.32/1,086,253.60
  6. Step 6: Final answer
    x = 683,091.21

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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.