Home / 1,622,408.79-2,238,832.81-887,217.15

Finding the Fourth Proportional to 1,622,408.79, 2,238,832.81 and 887,217.15

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Solution

The fourth proportional to 1,622,408.79, 2,238,832.81 and 887,217.15 is: 1,224,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,408.79 : 2,238,832.81 = 887,217.15 : x
  2. Step 2: Convert to fraction form
    1,622,408.79/2,238,832.81 = 887,217.15/x
  3. Step 3: Cross multiply
    1,622,408.79x = 2,238,832.81 × 887,217.15
  4. Step 4: Simplify right side
    1,622,408.79x = 1,986,330,861,925.90
  5. Step 5: Solve for x
    x = 1,986,330,861,925.90/1,622,408.79
  6. Step 6: Final answer
    x = 1,224,309.73

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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.