Home / 1,260,722.52-1,739,801.16-687,774.69

Finding the Fourth Proportional to 1,260,722.52, 1,739,801.16 and 687,774.69

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Solution

The fourth proportional to 1,260,722.52, 1,739,801.16 and 687,774.69 is: 949,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,722.52 : 1,739,801.16 = 687,774.69 : x
  2. Step 2: Convert to fraction form
    1,260,722.52/1,739,801.16 = 687,774.69/x
  3. Step 3: Cross multiply
    1,260,722.52x = 1,739,801.16 × 687,774.69
  4. Step 4: Simplify right side
    1,260,722.52x = 1,196,591,203,480.64
  5. Step 5: Solve for x
    x = 1,196,591,203,480.64/1,260,722.52
  6. Step 6: Final answer
    x = 949,131.30

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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.