Home / 1,394,493.69-1,924,405.29-774,300.21

Finding the Fourth Proportional to 1,394,493.69, 1,924,405.29 and 774,300.21

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Solution

The fourth proportional to 1,394,493.69, 1,924,405.29 and 774,300.21 is: 1,068,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,493.69 : 1,924,405.29 = 774,300.21 : x
  2. Step 2: Convert to fraction form
    1,394,493.69/1,924,405.29 = 774,300.21/x
  3. Step 3: Cross multiply
    1,394,493.69x = 1,924,405.29 × 774,300.21
  4. Step 4: Simplify right side
    1,394,493.69x = 1,490,067,420,172.11
  5. Step 5: Solve for x
    x = 1,490,067,420,172.11/1,394,493.69
  6. Step 6: Final answer
    x = 1,068,536.51

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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.