Home / 1,361,217.15-2,043,085.95-687,772.44

Finding the Fourth Proportional to 1,361,217.15, 2,043,085.95 and 687,772.44

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Solution

The fourth proportional to 1,361,217.15, 2,043,085.95 and 687,772.44 is: 1,032,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,217.15 : 2,043,085.95 = 687,772.44 : x
  2. Step 2: Convert to fraction form
    1,361,217.15/2,043,085.95 = 687,772.44/x
  3. Step 3: Cross multiply
    1,361,217.15x = 2,043,085.95 × 687,772.44
  4. Step 4: Simplify right side
    1,361,217.15x = 1,405,178,208,961.22
  5. Step 5: Solve for x
    x = 1,405,178,208,961.22/1,361,217.15
  6. Step 6: Final answer
    x = 1,032,295.40

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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.