Home / 1,145,960.20-1,581,424.74-629,747.32

Finding the Fourth Proportional to 1,145,960.20, 1,581,424.74 and 629,747.32

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Solution

The fourth proportional to 1,145,960.20, 1,581,424.74 and 629,747.32 is: 869,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,960.20 : 1,581,424.74 = 629,747.32 : x
  2. Step 2: Convert to fraction form
    1,145,960.20/1,581,424.74 = 629,747.32/x
  3. Step 3: Cross multiply
    1,145,960.20x = 1,581,424.74 × 629,747.32
  4. Step 4: Simplify right side
    1,145,960.20x = 995,897,991,796.70
  5. Step 5: Solve for x
    x = 995,897,991,796.70/1,145,960.20
  6. Step 6: Final answer
    x = 869,051.12

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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.