Home / 1,039,761.84-1,559,791.36-320,164.32

Finding the Fourth Proportional to 1,039,761.84, 1,559,791.36 and 320,164.32

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Solution

The fourth proportional to 1,039,761.84, 1,559,791.36 and 320,164.32 is: 480,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,761.84 : 1,559,791.36 = 320,164.32 : x
  2. Step 2: Convert to fraction form
    1,039,761.84/1,559,791.36 = 320,164.32/x
  3. Step 3: Cross multiply
    1,039,761.84x = 1,559,791.36 × 320,164.32
  4. Step 4: Simplify right side
    1,039,761.84x = 499,389,540,116.28
  5. Step 5: Solve for x
    x = 499,389,540,116.28/1,039,761.84
  6. Step 6: Final answer
    x = 480,292.24

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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.