Home / 1,080,223.70-1,619,282.43-431,606.52

Finding the Fourth Proportional to 1,080,223.70, 1,619,282.43 and 431,606.52

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Solution

The fourth proportional to 1,080,223.70, 1,619,282.43 and 431,606.52 is: 646,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,223.70 : 1,619,282.43 = 431,606.52 : x
  2. Step 2: Convert to fraction form
    1,080,223.70/1,619,282.43 = 431,606.52/x
  3. Step 3: Cross multiply
    1,080,223.70x = 1,619,282.43 × 431,606.52
  4. Step 4: Simplify right side
    1,080,223.70x = 698,892,854,509.44
  5. Step 5: Solve for x
    x = 698,892,854,509.44/1,080,223.70
  6. Step 6: Final answer
    x = 646,989.01

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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.