Home / 1,040,323.74-1,560,539.64-330,407.34

Finding the Fourth Proportional to 1,040,323.74, 1,560,539.64 and 330,407.34

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Solution

The fourth proportional to 1,040,323.74, 1,560,539.64 and 330,407.34 is: 495,628.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,323.74 : 1,560,539.64 = 330,407.34 : x
  2. Step 2: Convert to fraction form
    1,040,323.74/1,560,539.64 = 330,407.34/x
  3. Step 3: Cross multiply
    1,040,323.74x = 1,560,539.64 × 330,407.34
  4. Step 4: Simplify right side
    1,040,323.74x = 515,613,751,416.96
  5. Step 5: Solve for x
    x = 515,613,751,416.96/1,040,323.74
  6. Step 6: Final answer
    x = 495,628.17

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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.