Home / 1,199,789.78-1,655,715.75-655,925.60

Finding the Fourth Proportional to 1,199,789.78, 1,655,715.75 and 655,925.60

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Solution

The fourth proportional to 1,199,789.78, 1,655,715.75 and 655,925.60 is: 905,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,789.78 : 1,655,715.75 = 655,925.60 : x
  2. Step 2: Convert to fraction form
    1,199,789.78/1,655,715.75 = 655,925.60/x
  3. Step 3: Cross multiply
    1,199,789.78x = 1,655,715.75 × 655,925.60
  4. Step 4: Simplify right side
    1,199,789.78x = 1,086,026,342,803.95
  5. Step 5: Solve for x
    x = 1,086,026,342,803.95/1,199,789.78
  6. Step 6: Final answer
    x = 905,180.52

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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.