Home / 1,107,712.38-1,661,420.88-308,927.04

Finding the Fourth Proportional to 1,107,712.38, 1,661,420.88 and 308,927.04

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Solution

The fourth proportional to 1,107,712.38, 1,661,420.88 and 308,927.04 is: 463,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,712.38 : 1,661,420.88 = 308,927.04 : x
  2. Step 2: Convert to fraction form
    1,107,712.38/1,661,420.88 = 308,927.04/x
  3. Step 3: Cross multiply
    1,107,712.38x = 1,661,420.88 × 308,927.04
  4. Step 4: Simplify right side
    1,107,712.38x = 513,257,834,652.60
  5. Step 5: Solve for x
    x = 513,257,834,652.60/1,107,712.38
  6. Step 6: Final answer
    x = 463,349.37

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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.