Home / 1,199,790.78-1,655,717.13-655,926.60

Finding the Fourth Proportional to 1,199,790.78, 1,655,717.13 and 655,926.60

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Solution

The fourth proportional to 1,199,790.78, 1,655,717.13 and 655,926.60 is: 905,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,790.78 : 1,655,717.13 = 655,926.60 : x
  2. Step 2: Convert to fraction form
    1,199,790.78/1,655,717.13 = 655,926.60/x
  3. Step 3: Cross multiply
    1,199,790.78x = 1,655,717.13 × 655,926.60
  4. Step 4: Simplify right side
    1,199,790.78x = 1,086,028,907,642.66
  5. Step 5: Solve for x
    x = 1,086,028,907,642.66/1,199,790.78
  6. Step 6: Final answer
    x = 905,181.91

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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.