Home / 1,663,120.31-2,494,658.60-400,937.81

Finding the Fourth Proportional to 1,663,120.31, 2,494,658.60 and 400,937.81

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Solution

The fourth proportional to 1,663,120.31, 2,494,658.60 and 400,937.81 is: 601,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,120.31 : 2,494,658.60 = 400,937.81 : x
  2. Step 2: Convert to fraction form
    1,663,120.31/2,494,658.60 = 400,937.81/x
  3. Step 3: Cross multiply
    1,663,120.31x = 2,494,658.60 × 400,937.81
  4. Step 4: Simplify right side
    1,663,120.31x = 1,000,202,953,776.98
  5. Step 5: Solve for x
    x = 1,000,202,953,776.98/1,663,120.31
  6. Step 6: Final answer
    x = 601,401.44

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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.