Home / 1,319,889.88-1,821,447.96-716,277.88

Finding the Fourth Proportional to 1,319,889.88, 1,821,447.96 and 716,277.88

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Solution

The fourth proportional to 1,319,889.88, 1,821,447.96 and 716,277.88 is: 988,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,889.88 : 1,821,447.96 = 716,277.88 : x
  2. Step 2: Convert to fraction form
    1,319,889.88/1,821,447.96 = 716,277.88/x
  3. Step 3: Cross multiply
    1,319,889.88x = 1,821,447.96 × 716,277.88
  4. Step 4: Simplify right side
    1,319,889.88x = 1,304,662,883,319.12
  5. Step 5: Solve for x
    x = 1,304,662,883,319.12/1,319,889.88
  6. Step 6: Final answer
    x = 988,463.43

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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.