Home / 1,207,617.78-1,811,494.52-387,027.81

Finding the Fourth Proportional to 1,207,617.78, 1,811,494.52 and 387,027.81

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Solution

The fourth proportional to 1,207,617.78, 1,811,494.52 and 387,027.81 is: 580,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,617.78 : 1,811,494.52 = 387,027.81 : x
  2. Step 2: Convert to fraction form
    1,207,617.78/1,811,494.52 = 387,027.81/x
  3. Step 3: Cross multiply
    1,207,617.78x = 1,811,494.52 × 387,027.81
  4. Step 4: Simplify right side
    1,207,617.78x = 701,098,756,902.60
  5. Step 5: Solve for x
    x = 701,098,756,902.60/1,207,617.78
  6. Step 6: Final answer
    x = 580,563.46

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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.