Home / 1,678,550.23-2,517,763.78-480,470.73

Finding the Fourth Proportional to 1,678,550.23, 2,517,763.78 and 480,470.73

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Solution

The fourth proportional to 1,678,550.23, 2,517,763.78 and 480,470.73 is: 720,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,550.23 : 2,517,763.78 = 480,470.73 : x
  2. Step 2: Convert to fraction form
    1,678,550.23/2,517,763.78 = 480,470.73/x
  3. Step 3: Cross multiply
    1,678,550.23x = 2,517,763.78 × 480,470.73
  4. Step 4: Simplify right side
    1,678,550.23x = 1,209,711,801,344.16
  5. Step 5: Solve for x
    x = 1,209,711,801,344.16/1,678,550.23
  6. Step 6: Final answer
    x = 720,688.47

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1.5x scale

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.