Home / 1,511,996.90-2,268,327.24-1,111,423.28

Finding the Fourth Proportional to 1,511,996.90, 2,268,327.24 and 1,111,423.28

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Solution

The fourth proportional to 1,511,996.90, 2,268,327.24 and 1,111,423.28 is: 1,667,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,996.90 : 2,268,327.24 = 1,111,423.28 : x
  2. Step 2: Convert to fraction form
    1,511,996.90/2,268,327.24 = 1,111,423.28/x
  3. Step 3: Cross multiply
    1,511,996.90x = 2,268,327.24 × 1,111,423.28
  4. Step 4: Simplify right side
    1,511,996.90x = 2,521,071,689,852.51
  5. Step 5: Solve for x
    x = 2,521,071,689,852.51/1,511,996.90
  6. Step 6: Final answer
    x = 1,667,378.88

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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.