Home / 1,178,470.60-1,626,300.42-669,183.56

Finding the Fourth Proportional to 1,178,470.60, 1,626,300.42 and 669,183.56

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Solution

The fourth proportional to 1,178,470.60, 1,626,300.42 and 669,183.56 is: 923,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,470.60 : 1,626,300.42 = 669,183.56 : x
  2. Step 2: Convert to fraction form
    1,178,470.60/1,626,300.42 = 669,183.56/x
  3. Step 3: Cross multiply
    1,178,470.60x = 1,626,300.42 × 669,183.56
  4. Step 4: Simplify right side
    1,178,470.60x = 1,088,293,504,685.10
  5. Step 5: Solve for x
    x = 1,088,293,504,685.10/1,178,470.60
  6. Step 6: Final answer
    x = 923,479.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.