Home / 1,663,125.31-2,494,666.09-400,942.81

Finding the Fourth Proportional to 1,663,125.31, 2,494,666.09 and 400,942.81

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Solution

The fourth proportional to 1,663,125.31, 2,494,666.09 and 400,942.81 is: 601,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,125.31 : 2,494,666.09 = 400,942.81 : x
  2. Step 2: Convert to fraction form
    1,663,125.31/2,494,666.09 = 400,942.81/x
  3. Step 3: Cross multiply
    1,663,125.31x = 2,494,666.09 × 400,942.81
  4. Step 4: Simplify right side
    1,663,125.31x = 1,000,218,432,136.31
  5. Step 5: Solve for x
    x = 1,000,218,432,136.31/1,663,125.31
  6. Step 6: Final answer
    x = 601,408.94

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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.