Home / 1,020,440.97-1,531,005.84-451,743.57

Finding the Fourth Proportional to 1,020,440.97, 1,531,005.84 and 451,743.57

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Solution

The fourth proportional to 1,020,440.97, 1,531,005.84 and 451,743.57 is: 677,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,440.97 : 1,531,005.84 = 451,743.57 : x
  2. Step 2: Convert to fraction form
    1,020,440.97/1,531,005.84 = 451,743.57/x
  3. Step 3: Cross multiply
    1,020,440.97x = 1,531,005.84 × 451,743.57
  4. Step 4: Simplify right side
    1,020,440.97x = 691,622,043,852.45
  5. Step 5: Solve for x
    x = 691,622,043,852.45/1,020,440.97
  6. Step 6: Final answer
    x = 677,767.81

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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.