Home / 1,431,272.30-1,975,170.83-777,898.22

Finding the Fourth Proportional to 1,431,272.30, 1,975,170.83 and 777,898.22

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Solution

The fourth proportional to 1,431,272.30, 1,975,170.83 and 777,898.22 is: 1,073,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,272.30 : 1,975,170.83 = 777,898.22 : x
  2. Step 2: Convert to fraction form
    1,431,272.30/1,975,170.83 = 777,898.22/x
  3. Step 3: Cross multiply
    1,431,272.30x = 1,975,170.83 × 777,898.22
  4. Step 4: Simplify right side
    1,431,272.30x = 1,536,481,859,087.58
  5. Step 5: Solve for x
    x = 1,536,481,859,087.58/1,431,272.30
  6. Step 6: Final answer
    x = 1,073,507.72

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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.