Home / 1,121,687.93-1,682,740.88-363,461.78

Finding the Fourth Proportional to 1,121,687.93, 1,682,740.88 and 363,461.78

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Solution

The fourth proportional to 1,121,687.93, 1,682,740.88 and 363,461.78 is: 545,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,687.93 : 1,682,740.88 = 363,461.78 : x
  2. Step 2: Convert to fraction form
    1,121,687.93/1,682,740.88 = 363,461.78/x
  3. Step 3: Cross multiply
    1,121,687.93x = 1,682,740.88 × 363,461.78
  4. Step 4: Simplify right side
    1,121,687.93x = 611,611,993,706.26
  5. Step 5: Solve for x
    x = 611,611,993,706.26/1,121,687.93
  6. Step 6: Final answer
    x = 545,260.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.