Home / 1,720,271.22-2,578,963.41-760,571.88

Finding the Fourth Proportional to 1,720,271.22, 2,578,963.41 and 760,571.88

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Solution

The fourth proportional to 1,720,271.22, 2,578,963.41 and 760,571.88 is: 1,140,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,271.22 : 2,578,963.41 = 760,571.88 : x
  2. Step 2: Convert to fraction form
    1,720,271.22/2,578,963.41 = 760,571.88/x
  3. Step 3: Cross multiply
    1,720,271.22x = 2,578,963.41 × 760,571.88
  4. Step 4: Simplify right side
    1,720,271.22x = 1,961,487,049,194.91
  5. Step 5: Solve for x
    x = 1,961,487,049,194.91/1,720,271.22
  6. Step 6: Final answer
    x = 1,140,219.65

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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.