Home / 1,250,344.80-1,724,841.36-790,684.77

Finding the Fourth Proportional to 1,250,344.80, 1,724,841.36 and 790,684.77

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Solution

The fourth proportional to 1,250,344.80, 1,724,841.36 and 790,684.77 is: 1,090,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,344.80 : 1,724,841.36 = 790,684.77 : x
  2. Step 2: Convert to fraction form
    1,250,344.80/1,724,841.36 = 790,684.77/x
  3. Step 3: Cross multiply
    1,250,344.80x = 1,724,841.36 × 790,684.77
  4. Step 4: Simplify right side
    1,250,344.80x = 1,363,805,794,018.09
  5. Step 5: Solve for x
    x = 1,363,805,794,018.09/1,250,344.80
  6. Step 6: Final answer
    x = 1,090,743.76

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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.