Home / 1,260,879.75-1,740,014.06-808,170.75

Finding the Fourth Proportional to 1,260,879.75, 1,740,014.06 and 808,170.75

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Solution

The fourth proportional to 1,260,879.75, 1,740,014.06 and 808,170.75 is: 1,115,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,879.75 : 1,740,014.06 = 808,170.75 : x
  2. Step 2: Convert to fraction form
    1,260,879.75/1,740,014.06 = 808,170.75/x
  3. Step 3: Cross multiply
    1,260,879.75x = 1,740,014.06 × 808,170.75
  4. Step 4: Simplify right side
    1,260,879.75x = 1,406,228,463,839.89
  5. Step 5: Solve for x
    x = 1,406,228,463,839.89/1,260,879.75
  6. Step 6: Final answer
    x = 1,115,275.64

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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.