Home / 1,439,143.05-1,986,020.34-794,564.49

Finding the Fourth Proportional to 1,439,143.05, 1,986,020.34 and 794,564.49

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Solution

The fourth proportional to 1,439,143.05, 1,986,020.34 and 794,564.49 is: 1,096,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,143.05 : 1,986,020.34 = 794,564.49 : x
  2. Step 2: Convert to fraction form
    1,439,143.05/1,986,020.34 = 794,564.49/x
  3. Step 3: Cross multiply
    1,439,143.05x = 1,986,020.34 × 794,564.49
  4. Step 4: Simplify right side
    1,439,143.05x = 1,578,021,238,581.73
  5. Step 5: Solve for x
    x = 1,578,021,238,581.73/1,439,143.05
  6. Step 6: Final answer
    x = 1,096,500.61

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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.