Home / 1,143,622-1,715,087.40-344,836.72

Finding the Fourth Proportional to 1,143,622, 1,715,087.40 and 344,836.72

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Solution

The fourth proportional to 1,143,622, 1,715,087.40 and 344,836.72 is: 517,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,622 : 1,715,087.40 = 344,836.72 : x
  2. Step 2: Convert to fraction form
    1,143,622/1,715,087.40 = 344,836.72/x
  3. Step 3: Cross multiply
    1,143,622x = 1,715,087.40 × 344,836.72
  4. Step 4: Simplify right side
    1,143,622x = 591,425,113,529.33
  5. Step 5: Solve for x
    x = 591,425,113,529.33/1,143,622
  6. Step 6: Final answer
    x = 517,150.87

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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.