Home / 1,331,269.20-1,997,195.40-657,673.20

Finding the Fourth Proportional to 1,331,269.20, 1,997,195.40 and 657,673.20

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Solution

The fourth proportional to 1,331,269.20, 1,997,195.40 and 657,673.20 is: 986,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,269.20 : 1,997,195.40 = 657,673.20 : x
  2. Step 2: Convert to fraction form
    1,331,269.20/1,997,195.40 = 657,673.20/x
  3. Step 3: Cross multiply
    1,331,269.20x = 1,997,195.40 × 657,673.20
  4. Step 4: Simplify right side
    1,331,269.20x = 1,313,501,889,743.28
  5. Step 5: Solve for x
    x = 1,313,501,889,743.28/1,331,269.20
  6. Step 6: Final answer
    x = 986,653.86

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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.