Home / 1,131,979.16-1,562,245.70-648,608.44

Finding the Fourth Proportional to 1,131,979.16, 1,562,245.70 and 648,608.44

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Solution

The fourth proportional to 1,131,979.16, 1,562,245.70 and 648,608.44 is: 895,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,979.16 : 1,562,245.70 = 648,608.44 : x
  2. Step 2: Convert to fraction form
    1,131,979.16/1,562,245.70 = 648,608.44/x
  3. Step 3: Cross multiply
    1,131,979.16x = 1,562,245.70 × 648,608.44
  4. Step 4: Simplify right side
    1,131,979.16x = 1,013,285,746,373.71
  5. Step 5: Solve for x
    x = 1,013,285,746,373.71/1,131,979.16
  6. Step 6: Final answer
    x = 895,145.23

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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.