Home / 1,298,807.46-1,948,424.42-400,249.34

Finding the Fourth Proportional to 1,298,807.46, 1,948,424.42 and 400,249.34

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Solution

The fourth proportional to 1,298,807.46, 1,948,424.42 and 400,249.34 is: 600,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,807.46 : 1,948,424.42 = 400,249.34 : x
  2. Step 2: Convert to fraction form
    1,298,807.46/1,948,424.42 = 400,249.34/x
  3. Step 3: Cross multiply
    1,298,807.46x = 1,948,424.42 × 400,249.34
  4. Step 4: Simplify right side
    1,298,807.46x = 779,855,588,144.88
  5. Step 5: Solve for x
    x = 779,855,588,144.88/1,298,807.46
  6. Step 6: Final answer
    x = 600,439.72

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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.