Home / 1,369,051.56-2,049,373.49-861,234.84

Finding the Fourth Proportional to 1,369,051.56, 2,049,373.49 and 861,234.84

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Solution

The fourth proportional to 1,369,051.56, 2,049,373.49 and 861,234.84 is: 1,289,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,051.56 : 2,049,373.49 = 861,234.84 : x
  2. Step 2: Convert to fraction form
    1,369,051.56/2,049,373.49 = 861,234.84/x
  3. Step 3: Cross multiply
    1,369,051.56x = 2,049,373.49 × 861,234.84
  4. Step 4: Simplify right side
    1,369,051.56x = 1,764,991,835,207.35
  5. Step 5: Solve for x
    x = 1,764,991,835,207.35/1,369,051.56
  6. Step 6: Final answer
    x = 1,289,207.72

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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.