Home / 1,135,168.46-1,702,927.66-387,039.50

Finding the Fourth Proportional to 1,135,168.46, 1,702,927.66 and 387,039.50

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Solution

The fourth proportional to 1,135,168.46, 1,702,927.66 and 387,039.50 is: 580,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,168.46 : 1,702,927.66 = 387,039.50 : x
  2. Step 2: Convert to fraction form
    1,135,168.46/1,702,927.66 = 387,039.50/x
  3. Step 3: Cross multiply
    1,135,168.46x = 1,702,927.66 × 387,039.50
  4. Step 4: Simplify right side
    1,135,168.46x = 659,100,270,062.57
  5. Step 5: Solve for x
    x = 659,100,270,062.57/1,135,168.46
  6. Step 6: Final answer
    x = 580,618.91

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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.