Home / 1,344,835.80-2,014,920.90-871,277.40

Finding the Fourth Proportional to 1,344,835.80, 2,014,920.90 and 871,277.40

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Solution

The fourth proportional to 1,344,835.80, 2,014,920.90 and 871,277.40 is: 1,305,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,835.80 : 2,014,920.90 = 871,277.40 : x
  2. Step 2: Convert to fraction form
    1,344,835.80/2,014,920.90 = 871,277.40/x
  3. Step 3: Cross multiply
    1,344,835.80x = 2,014,920.90 × 871,277.40
  4. Step 4: Simplify right side
    1,344,835.80x = 1,755,555,042,957.66
  5. Step 5: Solve for x
    x = 1,755,555,042,957.66/1,344,835.80
  6. Step 6: Final answer
    x = 1,305,404.75

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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.