Home / 1,150,743.60-1,587,993.12-641,435.04

Finding the Fourth Proportional to 1,150,743.60, 1,587,993.12 and 641,435.04

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Solution

The fourth proportional to 1,150,743.60, 1,587,993.12 and 641,435.04 is: 885,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,743.60 : 1,587,993.12 = 641,435.04 : x
  2. Step 2: Convert to fraction form
    1,150,743.60/1,587,993.12 = 641,435.04/x
  3. Step 3: Cross multiply
    1,150,743.60x = 1,587,993.12 × 641,435.04
  4. Step 4: Simplify right side
    1,150,743.60x = 1,018,594,430,446.93
  5. Step 5: Solve for x
    x = 1,018,594,430,446.93/1,150,743.60
  6. Step 6: Final answer
    x = 885,161.93

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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.