Home / 1,298,816.86-1,948,408.17-400,331.02

Finding the Fourth Proportional to 1,298,816.86, 1,948,408.17 and 400,331.02

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Solution

The fourth proportional to 1,298,816.86, 1,948,408.17 and 400,331.02 is: 600,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,816.86 : 1,948,408.17 = 400,331.02 : x
  2. Step 2: Convert to fraction form
    1,298,816.86/1,948,408.17 = 400,331.02/x
  3. Step 3: Cross multiply
    1,298,816.86x = 1,948,408.17 × 400,331.02
  4. Step 4: Simplify right side
    1,298,816.86x = 780,008,230,072.43
  5. Step 5: Solve for x
    x = 780,008,230,072.43/1,298,816.86
  6. Step 6: Final answer
    x = 600,552.90

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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.