Home / 1,355,342.22-2,031,691.41-645,179.58

Finding the Fourth Proportional to 1,355,342.22, 2,031,691.41 and 645,179.58

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Solution

The fourth proportional to 1,355,342.22, 2,031,691.41 and 645,179.58 is: 967,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,342.22 : 2,031,691.41 = 645,179.58 : x
  2. Step 2: Convert to fraction form
    1,355,342.22/2,031,691.41 = 645,179.58/x
  3. Step 3: Cross multiply
    1,355,342.22x = 2,031,691.41 × 645,179.58
  4. Step 4: Simplify right side
    1,355,342.22x = 1,310,805,810,593.41
  5. Step 5: Solve for x
    x = 1,310,805,810,593.41/1,355,342.22
  6. Step 6: Final answer
    x = 967,140.10

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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.