Home / 1,303,694.43-1,799,102.31-722,958.45

Finding the Fourth Proportional to 1,303,694.43, 1,799,102.31 and 722,958.45

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Solution

The fourth proportional to 1,303,694.43, 1,799,102.31 and 722,958.45 is: 997,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,694.43 : 1,799,102.31 = 722,958.45 : x
  2. Step 2: Convert to fraction form
    1,303,694.43/1,799,102.31 = 722,958.45/x
  3. Step 3: Cross multiply
    1,303,694.43x = 1,799,102.31 × 722,958.45
  4. Step 4: Simplify right side
    1,303,694.43x = 1,300,676,207,971.29
  5. Step 5: Solve for x
    x = 1,300,676,207,971.29/1,303,694.43
  6. Step 6: Final answer
    x = 997,684.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.