Home / 1,229,837.90-1,843,022.78-580,721.51

Finding the Fourth Proportional to 1,229,837.90, 1,843,022.78 and 580,721.51

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Solution

The fourth proportional to 1,229,837.90, 1,843,022.78 and 580,721.51 is: 870,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,837.90 : 1,843,022.78 = 580,721.51 : x
  2. Step 2: Convert to fraction form
    1,229,837.90/1,843,022.78 = 580,721.51/x
  3. Step 3: Cross multiply
    1,229,837.90x = 1,843,022.78 × 580,721.51
  4. Step 4: Simplify right side
    1,229,837.90x = 1,070,282,971,766.00
  5. Step 5: Solve for x
    x = 1,070,282,971,766.00/1,229,837.90
  6. Step 6: Final answer
    x = 870,263.45

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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.