Home / 1,310,639.79-1,966,183.85-600,728.65

Finding the Fourth Proportional to 1,310,639.79, 1,966,183.85 and 600,728.65

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Solution

The fourth proportional to 1,310,639.79, 1,966,183.85 and 600,728.65 is: 901,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,639.79 : 1,966,183.85 = 600,728.65 : x
  2. Step 2: Convert to fraction form
    1,310,639.79/1,966,183.85 = 600,728.65/x
  3. Step 3: Cross multiply
    1,310,639.79x = 1,966,183.85 × 600,728.65
  4. Step 4: Simplify right side
    1,310,639.79x = 1,181,142,975,818.90
  5. Step 5: Solve for x
    x = 1,181,142,975,818.90/1,310,639.79
  6. Step 6: Final answer
    x = 901,195.73

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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.