Home / 1,107,400.30-1,661,100.45-629,103.40

Finding the Fourth Proportional to 1,107,400.30, 1,661,100.45 and 629,103.40

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Solution

The fourth proportional to 1,107,400.30, 1,661,100.45 and 629,103.40 is: 943,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,400.30 : 1,661,100.45 = 629,103.40 : x
  2. Step 2: Convert to fraction form
    1,107,400.30/1,661,100.45 = 629,103.40/x
  3. Step 3: Cross multiply
    1,107,400.30x = 1,661,100.45 × 629,103.40
  4. Step 4: Simplify right side
    1,107,400.30x = 1,045,003,940,836.53
  5. Step 5: Solve for x
    x = 1,045,003,940,836.53/1,107,400.30
  6. Step 6: Final answer
    x = 943,655.10

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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.