Home / 1,313,422.88-1,969,971.24-353,953.50

Finding the Fourth Proportional to 1,313,422.88, 1,969,971.24 and 353,953.50

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Solution

The fourth proportional to 1,313,422.88, 1,969,971.24 and 353,953.50 is: 530,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,422.88 : 1,969,971.24 = 353,953.50 : x
  2. Step 2: Convert to fraction form
    1,313,422.88/1,969,971.24 = 353,953.50/x
  3. Step 3: Cross multiply
    1,313,422.88x = 1,969,971.24 × 353,953.50
  4. Step 4: Simplify right side
    1,313,422.88x = 697,278,215,297.34
  5. Step 5: Solve for x
    x = 697,278,215,297.34/1,313,422.88
  6. Step 6: Final answer
    x = 530,886.30

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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.