Home / 1,809,705.40-2,713,729.36-1,080,559.62

Finding the Fourth Proportional to 1,809,705.40, 2,713,729.36 and 1,080,559.62

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Solution

The fourth proportional to 1,809,705.40, 2,713,729.36 and 1,080,559.62 is: 1,620,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,705.40 : 2,713,729.36 = 1,080,559.62 : x
  2. Step 2: Convert to fraction form
    1,809,705.40/2,713,729.36 = 1,080,559.62/x
  3. Step 3: Cross multiply
    1,809,705.40x = 2,713,729.36 × 1,080,559.62
  4. Step 4: Simplify right side
    1,809,705.40x = 2,932,346,366,126.07
  5. Step 5: Solve for x
    x = 2,932,346,366,126.07/1,809,705.40
  6. Step 6: Final answer
    x = 1,620,344.60

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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.