Home / 1,049,135.99-1,448,330.51-687,114.59

Finding the Fourth Proportional to 1,049,135.99, 1,448,330.51 and 687,114.59

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Solution

The fourth proportional to 1,049,135.99, 1,448,330.51 and 687,114.59 is: 948,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,135.99 : 1,448,330.51 = 687,114.59 : x
  2. Step 2: Convert to fraction form
    1,049,135.99/1,448,330.51 = 687,114.59/x
  3. Step 3: Cross multiply
    1,049,135.99x = 1,448,330.51 × 687,114.59
  4. Step 4: Simplify right side
    1,049,135.99x = 995,169,024,563.14
  5. Step 5: Solve for x
    x = 995,169,024,563.14/1,049,135.99
  6. Step 6: Final answer
    x = 948,560.56

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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.