Home / 1,511,089.28-2,085,308.16-822,769.28

Finding the Fourth Proportional to 1,511,089.28, 2,085,308.16 and 822,769.28

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Solution

The fourth proportional to 1,511,089.28, 2,085,308.16 and 822,769.28 is: 1,135,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,089.28 : 2,085,308.16 = 822,769.28 : x
  2. Step 2: Convert to fraction form
    1,511,089.28/2,085,308.16 = 822,769.28/x
  3. Step 3: Cross multiply
    1,511,089.28x = 2,085,308.16 × 822,769.28
  4. Step 4: Simplify right side
    1,511,089.28x = 1,715,727,493,381.32
  5. Step 5: Solve for x
    x = 1,715,727,493,381.32/1,511,089.28
  6. Step 6: Final answer
    x = 1,135,424.30

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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.