Home / 1,303,721.53-1,799,218.78-730,761.75

Finding the Fourth Proportional to 1,303,721.53, 1,799,218.78 and 730,761.75

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Solution

The fourth proportional to 1,303,721.53, 1,799,218.78 and 730,761.75 is: 1,008,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,721.53 : 1,799,218.78 = 730,761.75 : x
  2. Step 2: Convert to fraction form
    1,303,721.53/1,799,218.78 = 730,761.75/x
  3. Step 3: Cross multiply
    1,303,721.53x = 1,799,218.78 × 730,761.75
  4. Step 4: Simplify right side
    1,303,721.53x = 1,314,800,262,478.76
  5. Step 5: Solve for x
    x = 1,314,800,262,478.76/1,303,721.53
  6. Step 6: Final answer
    x = 1,008,497.78

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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.