Home / 1,303,738.13-1,799,241.77-730,778.45

Finding the Fourth Proportional to 1,303,738.13, 1,799,241.77 and 730,778.45

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Solution

The fourth proportional to 1,303,738.13, 1,799,241.77 and 730,778.45 is: 1,008,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,738.13 : 1,799,241.77 = 730,778.45 : x
  2. Step 2: Convert to fraction form
    1,303,738.13/1,799,241.77 = 730,778.45/x
  3. Step 3: Cross multiply
    1,303,738.13x = 1,799,241.77 × 730,778.45
  4. Step 4: Simplify right side
    1,303,738.13x = 1,314,847,108,201.96
  5. Step 5: Solve for x
    x = 1,314,847,108,201.96/1,303,738.13
  6. Step 6: Final answer
    x = 1,008,520.87

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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.