Home / 1,311,233.65-1,967,145.32-400,339.92

Finding the Fourth Proportional to 1,311,233.65, 1,967,145.32 and 400,339.92

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Solution

The fourth proportional to 1,311,233.65, 1,967,145.32 and 400,339.92 is: 600,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,233.65 : 1,967,145.32 = 400,339.92 : x
  2. Step 2: Convert to fraction form
    1,311,233.65/1,967,145.32 = 400,339.92/x
  3. Step 3: Cross multiply
    1,311,233.65x = 1,967,145.32 × 400,339.92
  4. Step 4: Simplify right side
    1,311,233.65x = 787,526,800,037.18
  5. Step 5: Solve for x
    x = 787,526,800,037.18/1,311,233.65
  6. Step 6: Final answer
    x = 600,599.90

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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.