Home / 1,360,990.16-2,040,112.90-855,912.10

Finding the Fourth Proportional to 1,360,990.16, 2,040,112.90 and 855,912.10

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Solution

The fourth proportional to 1,360,990.16, 2,040,112.90 and 855,912.10 is: 1,283,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,990.16 : 2,040,112.90 = 855,912.10 : x
  2. Step 2: Convert to fraction form
    1,360,990.16/2,040,112.90 = 855,912.10/x
  3. Step 3: Cross multiply
    1,360,990.16x = 2,040,112.90 × 855,912.10
  4. Step 4: Simplify right side
    1,360,990.16x = 1,746,157,301,995.97
  5. Step 5: Solve for x
    x = 1,746,157,301,995.97/1,360,990.16
  6. Step 6: Final answer
    x = 1,283,005.09

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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.