Home / 1,260,007.20-1,889,792.10-460,877.40

Finding the Fourth Proportional to 1,260,007.20, 1,889,792.10 and 460,877.40

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Solution

The fourth proportional to 1,260,007.20, 1,889,792.10 and 460,877.40 is: 691,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,007.20 : 1,889,792.10 = 460,877.40 : x
  2. Step 2: Convert to fraction form
    1,260,007.20/1,889,792.10 = 460,877.40/x
  3. Step 3: Cross multiply
    1,260,007.20x = 1,889,792.10 × 460,877.40
  4. Step 4: Simplify right side
    1,260,007.20x = 870,962,469,588.54
  5. Step 5: Solve for x
    x = 870,962,469,588.54/1,260,007.20
  6. Step 6: Final answer
    x = 691,236.11

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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.