Home / 1,107,397.80-1,661,096.70-629,100.90

Finding the Fourth Proportional to 1,107,397.80, 1,661,096.70 and 629,100.90

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Solution

The fourth proportional to 1,107,397.80, 1,661,096.70 and 629,100.90 is: 943,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,397.80 : 1,661,096.70 = 629,100.90 : x
  2. Step 2: Convert to fraction form
    1,107,397.80/1,661,096.70 = 629,100.90/x
  3. Step 3: Cross multiply
    1,107,397.80x = 1,661,096.70 × 629,100.90
  4. Step 4: Simplify right side
    1,107,397.80x = 1,044,997,428,957.03
  5. Step 5: Solve for x
    x = 1,044,997,428,957.03/1,107,397.80
  6. Step 6: Final answer
    x = 943,651.35

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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.