Home / 1,389,583.10-2,084,489.85-442,927.10

Finding the Fourth Proportional to 1,389,583.10, 2,084,489.85 and 442,927.10

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Solution

The fourth proportional to 1,389,583.10, 2,084,489.85 and 442,927.10 is: 664,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,583.10 : 2,084,489.85 = 442,927.10 : x
  2. Step 2: Convert to fraction form
    1,389,583.10/2,084,489.85 = 442,927.10/x
  3. Step 3: Cross multiply
    1,389,583.10x = 2,084,489.85 × 442,927.10
  4. Step 4: Simplify right side
    1,389,583.10x = 923,277,044,239.94
  5. Step 5: Solve for x
    x = 923,277,044,239.94/1,389,583.10
  6. Step 6: Final answer
    x = 664,427.37

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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.