Home / 1,680,657.78-2,520,640.83-482,313

Finding the Fourth Proportional to 1,680,657.78, 2,520,640.83 and 482,313

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Solution

The fourth proportional to 1,680,657.78, 2,520,640.83 and 482,313 is: 723,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,657.78 : 2,520,640.83 = 482,313 : x
  2. Step 2: Convert to fraction form
    1,680,657.78/2,520,640.83 = 482,313/x
  3. Step 3: Cross multiply
    1,680,657.78x = 2,520,640.83 × 482,313
  4. Step 4: Simplify right side
    1,680,657.78x = 1,215,737,840,639.79
  5. Step 5: Solve for x
    x = 1,215,737,840,639.79/1,680,657.78
  6. Step 6: Final answer
    x = 723,370.25

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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.