Home / 1,521,651-2,099,863.32-823,928.46

Finding the Fourth Proportional to 1,521,651, 2,099,863.32 and 823,928.46

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Solution

The fourth proportional to 1,521,651, 2,099,863.32 and 823,928.46 is: 1,137,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,651 : 2,099,863.32 = 823,928.46 : x
  2. Step 2: Convert to fraction form
    1,521,651/2,099,863.32 = 823,928.46/x
  3. Step 3: Cross multiply
    1,521,651x = 2,099,863.32 × 823,928.46
  4. Step 4: Simplify right side
    1,521,651x = 1,730,137,151,458.09
  5. Step 5: Solve for x
    x = 1,730,137,151,458.09/1,521,651
  6. Step 6: Final answer
    x = 1,137,013.12

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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.