Home / 1,145,651.32-1,581,026.67-629,438.65

Finding the Fourth Proportional to 1,145,651.32, 1,581,026.67 and 629,438.65

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Solution

The fourth proportional to 1,145,651.32, 1,581,026.67 and 629,438.65 is: 868,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,651.32 : 1,581,026.67 = 629,438.65 : x
  2. Step 2: Convert to fraction form
    1,145,651.32/1,581,026.67 = 629,438.65/x
  3. Step 3: Cross multiply
    1,145,651.32x = 1,581,026.67 × 629,438.65
  4. Step 4: Simplify right side
    1,145,651.32x = 995,159,290,596.53
  5. Step 5: Solve for x
    x = 995,159,290,596.53/1,145,651.32
  6. Step 6: Final answer
    x = 868,640.64

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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.