Home / 804,960.15-1,207,440.23-720,979.35

Finding the Fourth Proportional to 804,960.15, 1,207,440.23 and 720,979.35

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Solution

The fourth proportional to 804,960.15, 1,207,440.23 and 720,979.35 is: 1,081,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,960.15 : 1,207,440.23 = 720,979.35 : x
  2. Step 2: Convert to fraction form
    804,960.15/1,207,440.23 = 720,979.35/x
  3. Step 3: Cross multiply
    804,960.15x = 1,207,440.23 × 720,979.35
  4. Step 4: Simplify right side
    804,960.15x = 870,539,468,584.35
  5. Step 5: Solve for x
    x = 870,539,468,584.35/804,960.15
  6. Step 6: Final answer
    x = 1,081,469.03

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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.