Home / 1,311,646.85-1,810,024.86-730,839.97

Finding the Fourth Proportional to 1,311,646.85, 1,810,024.86 and 730,839.97

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Solution

The fourth proportional to 1,311,646.85, 1,810,024.86 and 730,839.97 is: 1,008,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,646.85 : 1,810,024.86 = 730,839.97 : x
  2. Step 2: Convert to fraction form
    1,311,646.85/1,810,024.86 = 730,839.97/x
  3. Step 3: Cross multiply
    1,311,646.85x = 1,810,024.86 × 730,839.97
  4. Step 4: Simplify right side
    1,311,646.85x = 1,322,838,507,147.96
  5. Step 5: Solve for x
    x = 1,322,838,507,147.96/1,311,646.85
  6. Step 6: Final answer
    x = 1,008,532.53

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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.