Home / 1,260,493.38-1,739,480.49-687,533.22

Finding the Fourth Proportional to 1,260,493.38, 1,739,480.49 and 687,533.22

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Solution

The fourth proportional to 1,260,493.38, 1,739,480.49 and 687,533.22 is: 948,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,493.38 : 1,739,480.49 = 687,533.22 : x
  2. Step 2: Convert to fraction form
    1,260,493.38/1,739,480.49 = 687,533.22/x
  3. Step 3: Cross multiply
    1,260,493.38x = 1,739,480.49 × 687,533.22
  4. Step 4: Simplify right side
    1,260,493.38x = 1,195,950,622,416.88
  5. Step 5: Solve for x
    x = 1,195,950,622,416.88/1,260,493.38
  6. Step 6: Final answer
    x = 948,795.64

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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.