Home / 1,943,124.80-2,914,168.80-680,820.80

Finding the Fourth Proportional to 1,943,124.80, 2,914,168.80 and 680,820.80

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Solution

The fourth proportional to 1,943,124.80, 2,914,168.80 and 680,820.80 is: 1,021,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,124.80 : 2,914,168.80 = 680,820.80 : x
  2. Step 2: Convert to fraction form
    1,943,124.80/2,914,168.80 = 680,820.80/x
  3. Step 3: Cross multiply
    1,943,124.80x = 2,914,168.80 × 680,820.80
  4. Step 4: Simplify right side
    1,943,124.80x = 1,984,026,733,751.04
  5. Step 5: Solve for x
    x = 1,984,026,733,751.04/1,943,124.80
  6. Step 6: Final answer
    x = 1,021,049.57

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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.