Home / 1,361,205.32-2,043,069.68-687,759.92

Finding the Fourth Proportional to 1,361,205.32, 2,043,069.68 and 687,759.92

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Solution

The fourth proportional to 1,361,205.32, 2,043,069.68 and 687,759.92 is: 1,032,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,205.32 : 2,043,069.68 = 687,759.92 : x
  2. Step 2: Convert to fraction form
    1,361,205.32/2,043,069.68 = 687,759.92/x
  3. Step 3: Cross multiply
    1,361,205.32x = 2,043,069.68 × 687,759.92
  4. Step 4: Simplify right side
    1,361,205.32x = 1,405,141,439,671.23
  5. Step 5: Solve for x
    x = 1,405,141,439,671.23/1,361,205.32
  6. Step 6: Final answer
    x = 1,032,277.36

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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.