Home / 1,642,928.13-2,267,230.01-917,769.47

Finding the Fourth Proportional to 1,642,928.13, 2,267,230.01 and 917,769.47

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Solution

The fourth proportional to 1,642,928.13, 2,267,230.01 and 917,769.47 is: 1,266,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,928.13 : 2,267,230.01 = 917,769.47 : x
  2. Step 2: Convert to fraction form
    1,642,928.13/2,267,230.01 = 917,769.47/x
  3. Step 3: Cross multiply
    1,642,928.13x = 2,267,230.01 × 917,769.47
  4. Step 4: Simplify right side
    1,642,928.13x = 2,080,794,468,720.80
  5. Step 5: Solve for x
    x = 2,080,794,468,720.80/1,642,928.13
  6. Step 6: Final answer
    x = 1,266,515.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.