Home / 1,229,836.90-1,843,021.28-580,720.51

Finding the Fourth Proportional to 1,229,836.90, 1,843,021.28 and 580,720.51

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Solution

The fourth proportional to 1,229,836.90, 1,843,021.28 and 580,720.51 is: 870,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,836.90 : 1,843,021.28 = 580,720.51 : x
  2. Step 2: Convert to fraction form
    1,229,836.90/1,843,021.28 = 580,720.51/x
  3. Step 3: Cross multiply
    1,229,836.90x = 1,843,021.28 × 580,720.51
  4. Step 4: Simplify right side
    1,229,836.90x = 1,070,280,257,662.45
  5. Step 5: Solve for x
    x = 1,070,280,257,662.45/1,229,836.90
  6. Step 6: Final answer
    x = 870,261.95

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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.