Home / 1,334,274.78-2,001,394.28-323,405.40

Finding the Fourth Proportional to 1,334,274.78, 2,001,394.28 and 323,405.40

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Solution

The fourth proportional to 1,334,274.78, 2,001,394.28 and 323,405.40 is: 485,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,274.78 : 2,001,394.28 = 323,405.40 : x
  2. Step 2: Convert to fraction form
    1,334,274.78/2,001,394.28 = 323,405.40/x
  3. Step 3: Cross multiply
    1,334,274.78x = 2,001,394.28 × 323,405.40
  4. Step 4: Simplify right side
    1,334,274.78x = 647,261,717,681.11
  5. Step 5: Solve for x
    x = 647,261,717,681.11/1,334,274.78
  6. Step 6: Final answer
    x = 485,103.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.