Home / 1,198,645.34-1,654,166.15-654,790.15

Finding the Fourth Proportional to 1,198,645.34, 1,654,166.15 and 654,790.15

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Solution

The fourth proportional to 1,198,645.34, 1,654,166.15 and 654,790.15 is: 903,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,645.34 : 1,654,166.15 = 654,790.15 : x
  2. Step 2: Convert to fraction form
    1,198,645.34/1,654,166.15 = 654,790.15/x
  3. Step 3: Cross multiply
    1,198,645.34x = 1,654,166.15 × 654,790.15
  4. Step 4: Simplify right side
    1,198,645.34x = 1,083,131,711,068.18
  5. Step 5: Solve for x
    x = 1,083,131,711,068.18/1,198,645.34
  6. Step 6: Final answer
    x = 903,629.85

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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.