Home / 1,198,951.20-1,798,262.64-400,214.52

Finding the Fourth Proportional to 1,198,951.20, 1,798,262.64 and 400,214.52

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Solution

The fourth proportional to 1,198,951.20, 1,798,262.64 and 400,214.52 is: 600,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,951.20 : 1,798,262.64 = 400,214.52 : x
  2. Step 2: Convert to fraction form
    1,198,951.20/1,798,262.64 = 400,214.52/x
  3. Step 3: Cross multiply
    1,198,951.20x = 1,798,262.64 × 400,214.52
  4. Step 4: Simplify right side
    1,198,951.20x = 719,690,819,301.53
  5. Step 5: Solve for x
    x = 719,690,819,301.53/1,198,951.20
  6. Step 6: Final answer
    x = 600,266.98

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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.