Home / 1,199,862.56-1,655,811.24-655,989.68

Finding the Fourth Proportional to 1,199,862.56, 1,655,811.24 and 655,989.68

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Solution

The fourth proportional to 1,199,862.56, 1,655,811.24 and 655,989.68 is: 905,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,862.56 : 1,655,811.24 = 655,989.68 : x
  2. Step 2: Convert to fraction form
    1,199,862.56/1,655,811.24 = 655,989.68/x
  3. Step 3: Cross multiply
    1,199,862.56x = 1,655,811.24 × 655,989.68
  4. Step 4: Simplify right side
    1,199,862.56x = 1,086,195,085,468.00
  5. Step 5: Solve for x
    x = 1,086,195,085,468.00/1,199,862.56
  6. Step 6: Final answer
    x = 905,266.25

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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.