Home / 1,155,767.63-1,594,850.72-782,471.21

Finding the Fourth Proportional to 1,155,767.63, 1,594,850.72 and 782,471.21

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Solution

The fourth proportional to 1,155,767.63, 1,594,850.72 and 782,471.21 is: 1,079,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,767.63 : 1,594,850.72 = 782,471.21 : x
  2. Step 2: Convert to fraction form
    1,155,767.63/1,594,850.72 = 782,471.21/x
  3. Step 3: Cross multiply
    1,155,767.63x = 1,594,850.72 × 782,471.21
  4. Step 4: Simplify right side
    1,155,767.63x = 1,247,924,760,761.16
  5. Step 5: Solve for x
    x = 1,247,924,760,761.16/1,155,767.63
  6. Step 6: Final answer
    x = 1,079,736.73

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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.