Home / 1,305,199.12-1,957,419.84-547,020.72

Finding the Fourth Proportional to 1,305,199.12, 1,957,419.84 and 547,020.72

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Solution

The fourth proportional to 1,305,199.12, 1,957,419.84 and 547,020.72 is: 820,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,199.12 : 1,957,419.84 = 547,020.72 : x
  2. Step 2: Convert to fraction form
    1,305,199.12/1,957,419.84 = 547,020.72/x
  3. Step 3: Cross multiply
    1,305,199.12x = 1,957,419.84 × 547,020.72
  4. Step 4: Simplify right side
    1,305,199.12x = 1,070,749,210,219.08
  5. Step 5: Solve for x
    x = 1,070,749,210,219.08/1,305,199.12
  6. Step 6: Final answer
    x = 820,372.30

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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.