Home / 1,663,122.31-2,494,661.60-400,939.81

Finding the Fourth Proportional to 1,663,122.31, 2,494,661.60 and 400,939.81

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Solution

The fourth proportional to 1,663,122.31, 2,494,661.60 and 400,939.81 is: 601,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,122.31 : 2,494,661.60 = 400,939.81 : x
  2. Step 2: Convert to fraction form
    1,663,122.31/2,494,661.60 = 400,939.81/x
  3. Step 3: Cross multiply
    1,663,122.31x = 2,494,661.60 × 400,939.81
  4. Step 4: Simplify right side
    1,663,122.31x = 1,000,209,145,913.60
  5. Step 5: Solve for x
    x = 1,000,209,145,913.60/1,663,122.31
  6. Step 6: Final answer
    x = 601,404.44

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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.