Home / 1,029,976.40-1,544,967.48-320,108.24

Finding the Fourth Proportional to 1,029,976.40, 1,544,967.48 and 320,108.24

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Solution

The fourth proportional to 1,029,976.40, 1,544,967.48 and 320,108.24 is: 480,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,976.40 : 1,544,967.48 = 320,108.24 : x
  2. Step 2: Convert to fraction form
    1,029,976.40/1,544,967.48 = 320,108.24/x
  3. Step 3: Cross multiply
    1,029,976.40x = 1,544,967.48 × 320,108.24
  4. Step 4: Simplify right side
    1,029,976.40x = 494,556,820,880.04
  5. Step 5: Solve for x
    x = 494,556,820,880.04/1,029,976.40
  6. Step 6: Final answer
    x = 480,163.26

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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.