Home / 1,360,816.79-2,040,081.11-910,162.21

Finding the Fourth Proportional to 1,360,816.79, 2,040,081.11 and 910,162.21

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Solution

The fourth proportional to 1,360,816.79, 2,040,081.11 and 910,162.21 is: 1,364,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,816.79 : 2,040,081.11 = 910,162.21 : x
  2. Step 2: Convert to fraction form
    1,360,816.79/2,040,081.11 = 910,162.21/x
  3. Step 3: Cross multiply
    1,360,816.79x = 2,040,081.11 × 910,162.21
  4. Step 4: Simplify right side
    1,360,816.79x = 1,856,804,722,005.84
  5. Step 5: Solve for x
    x = 1,856,804,722,005.84/1,360,816.79
  6. Step 6: Final answer
    x = 1,364,478.11

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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.