Home / 1,198,921-1,654,491.42-655,045.08

Finding the Fourth Proportional to 1,198,921, 1,654,491.42 and 655,045.08

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Solution

The fourth proportional to 1,198,921, 1,654,491.42 and 655,045.08 is: 903,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,921 : 1,654,491.42 = 655,045.08 : x
  2. Step 2: Convert to fraction form
    1,198,921/1,654,491.42 = 655,045.08/x
  3. Step 3: Cross multiply
    1,198,921x = 1,654,491.42 × 655,045.08
  4. Step 4: Simplify right side
    1,198,921x = 1,083,766,464,573.21
  5. Step 5: Solve for x
    x = 1,083,766,464,573.21/1,198,921
  6. Step 6: Final answer
    x = 903,951.52

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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.