Home / 1,414,921.68-2,120,964.21-657,295.74

Finding the Fourth Proportional to 1,414,921.68, 2,120,964.21 and 657,295.74

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Solution

The fourth proportional to 1,414,921.68, 2,120,964.21 and 657,295.74 is: 985,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,921.68 : 2,120,964.21 = 657,295.74 : x
  2. Step 2: Convert to fraction form
    1,414,921.68/2,120,964.21 = 657,295.74/x
  3. Step 3: Cross multiply
    1,414,921.68x = 2,120,964.21 × 657,295.74
  4. Step 4: Simplify right side
    1,414,921.68x = 1,394,100,739,925.47
  5. Step 5: Solve for x
    x = 1,394,100,739,925.47/1,414,921.68
  6. Step 6: Final answer
    x = 985,284.74

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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.