Home / 1,336,699.45-2,005,049.18-769,829.05

Finding the Fourth Proportional to 1,336,699.45, 2,005,049.18 and 769,829.05

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Solution

The fourth proportional to 1,336,699.45, 2,005,049.18 and 769,829.05 is: 1,154,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,699.45 : 2,005,049.18 = 769,829.05 : x
  2. Step 2: Convert to fraction form
    1,336,699.45/2,005,049.18 = 769,829.05/x
  3. Step 3: Cross multiply
    1,336,699.45x = 2,005,049.18 × 769,829.05
  4. Step 4: Simplify right side
    1,336,699.45x = 1,543,545,105,442.68
  5. Step 5: Solve for x
    x = 1,543,545,105,442.68/1,336,699.45
  6. Step 6: Final answer
    x = 1,154,743.58

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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.