Home / 1,344,776.80-2,014,832.40-871,218.40

Finding the Fourth Proportional to 1,344,776.80, 2,014,832.40 and 871,218.40

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Solution

The fourth proportional to 1,344,776.80, 2,014,832.40 and 871,218.40 is: 1,305,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,776.80 : 2,014,832.40 = 871,218.40 : x
  2. Step 2: Convert to fraction form
    1,344,776.80/2,014,832.40 = 871,218.40/x
  3. Step 3: Cross multiply
    1,344,776.80x = 2,014,832.40 × 871,218.40
  4. Step 4: Simplify right side
    1,344,776.80x = 1,755,359,059,796.16
  5. Step 5: Solve for x
    x = 1,755,359,059,796.16/1,344,776.80
  6. Step 6: Final answer
    x = 1,305,316.29

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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.