Home / 1,079,553.70-1,619,219.28-359,817.64

Finding the Fourth Proportional to 1,079,553.70, 1,619,219.28 and 359,817.64

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Solution

The fourth proportional to 1,079,553.70, 1,619,219.28 and 359,817.64 is: 539,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,553.70 : 1,619,219.28 = 359,817.64 : x
  2. Step 2: Convert to fraction form
    1,079,553.70/1,619,219.28 = 359,817.64/x
  3. Step 3: Cross multiply
    1,079,553.70x = 1,619,219.28 × 359,817.64
  4. Step 4: Simplify right side
    1,079,553.70x = 582,623,650,976.46
  5. Step 5: Solve for x
    x = 582,623,650,976.46/1,079,553.70
  6. Step 6: Final answer
    x = 539,689.37

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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.