Home / 1,202,348.78-1,659,241.89-658,518.77

Finding the Fourth Proportional to 1,202,348.78, 1,659,241.89 and 658,518.77

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Solution

The fourth proportional to 1,202,348.78, 1,659,241.89 and 658,518.77 is: 908,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,348.78 : 1,659,241.89 = 658,518.77 : x
  2. Step 2: Convert to fraction form
    1,202,348.78/1,659,241.89 = 658,518.77/x
  3. Step 3: Cross multiply
    1,202,348.78x = 1,659,241.89 × 658,518.77
  4. Step 4: Simplify right side
    1,202,348.78x = 1,092,641,920,239.07
  5. Step 5: Solve for x
    x = 1,092,641,920,239.07/1,202,348.78
  6. Step 6: Final answer
    x = 908,756.21

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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.