Home / 1,107,071.80-1,660,899.30-397,025.80

Finding the Fourth Proportional to 1,107,071.80, 1,660,899.30 and 397,025.80

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Solution

The fourth proportional to 1,107,071.80, 1,660,899.30 and 397,025.80 is: 595,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,071.80 : 1,660,899.30 = 397,025.80 : x
  2. Step 2: Convert to fraction form
    1,107,071.80/1,660,899.30 = 397,025.80/x
  3. Step 3: Cross multiply
    1,107,071.80x = 1,660,899.30 × 397,025.80
  4. Step 4: Simplify right side
    1,107,071.80x = 659,419,873,301.94
  5. Step 5: Solve for x
    x = 659,419,873,301.94/1,107,071.80
  6. Step 6: Final answer
    x = 595,643.28

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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.