Home / 1,509,441.92-2,083,067.86-821,152.46

Finding the Fourth Proportional to 1,509,441.92, 2,083,067.86 and 821,152.46

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Solution

The fourth proportional to 1,509,441.92, 2,083,067.86 and 821,152.46 is: 1,133,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,441.92 : 2,083,067.86 = 821,152.46 : x
  2. Step 2: Convert to fraction form
    1,509,441.92/2,083,067.86 = 821,152.46/x
  3. Step 3: Cross multiply
    1,509,441.92x = 2,083,067.86 × 821,152.46
  4. Step 4: Simplify right side
    1,509,441.92x = 1,710,516,297,585.94
  5. Step 5: Solve for x
    x = 1,710,516,297,585.94/1,509,441.92
  6. Step 6: Final answer
    x = 1,133,211.07

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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.