Home / 1,150,742.60-1,587,991.74-641,434.04

Finding the Fourth Proportional to 1,150,742.60, 1,587,991.74 and 641,434.04

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Solution

The fourth proportional to 1,150,742.60, 1,587,991.74 and 641,434.04 is: 885,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,742.60 : 1,587,991.74 = 641,434.04 : x
  2. Step 2: Convert to fraction form
    1,150,742.60/1,587,991.74 = 641,434.04/x
  3. Step 3: Cross multiply
    1,150,742.60x = 1,587,991.74 × 641,434.04
  4. Step 4: Simplify right side
    1,150,742.60x = 1,018,591,957,274.83
  5. Step 5: Solve for x
    x = 1,018,591,957,274.83/1,150,742.60
  6. Step 6: Final answer
    x = 885,160.55

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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.