Home / 1,292,755.80-1,940,019.42-451,307.52

Finding the Fourth Proportional to 1,292,755.80, 1,940,019.42 and 451,307.52

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Solution

The fourth proportional to 1,292,755.80, 1,940,019.42 and 451,307.52 is: 677,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,755.80 : 1,940,019.42 = 451,307.52 : x
  2. Step 2: Convert to fraction form
    1,292,755.80/1,940,019.42 = 451,307.52/x
  3. Step 3: Cross multiply
    1,292,755.80x = 1,940,019.42 × 451,307.52
  4. Step 4: Simplify right side
    1,292,755.80x = 875,545,353,192.04
  5. Step 5: Solve for x
    x = 875,545,353,192.04/1,292,755.80
  6. Step 6: Final answer
    x = 677,270.49

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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.