Home / 860,052.68-1,290,128.24-261,033.38

Finding the Fourth Proportional to 860,052.68, 1,290,128.24 and 261,033.38

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Solution

The fourth proportional to 860,052.68, 1,290,128.24 and 261,033.38 is: 391,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,052.68 : 1,290,128.24 = 261,033.38 : x
  2. Step 2: Convert to fraction form
    860,052.68/1,290,128.24 = 261,033.38/x
  3. Step 3: Cross multiply
    860,052.68x = 1,290,128.24 × 261,033.38
  4. Step 4: Simplify right side
    860,052.68x = 336,766,535,120.65
  5. Step 5: Solve for x
    x = 336,766,535,120.65/860,052.68
  6. Step 6: Final answer
    x = 391,565.01

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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.