Home / 1,261,079.20-1,740,289.26-808,370.20

Finding the Fourth Proportional to 1,261,079.20, 1,740,289.26 and 808,370.20

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Solution

The fourth proportional to 1,261,079.20, 1,740,289.26 and 808,370.20 is: 1,115,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,079.20 : 1,740,289.26 = 808,370.20 : x
  2. Step 2: Convert to fraction form
    1,261,079.20/1,740,289.26 = 808,370.20/x
  3. Step 3: Cross multiply
    1,261,079.20x = 1,740,289.26 × 808,370.20
  4. Step 4: Simplify right side
    1,261,079.20x = 1,406,797,977,164.05
  5. Step 5: Solve for x
    x = 1,406,797,977,164.05/1,261,079.20
  6. Step 6: Final answer
    x = 1,115,550.85

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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.