Home / 1,078,844.52-1,618,989.09-447,758.94

Finding the Fourth Proportional to 1,078,844.52, 1,618,989.09 and 447,758.94

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Solution

The fourth proportional to 1,078,844.52, 1,618,989.09 and 447,758.94 is: 671,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,844.52 : 1,618,989.09 = 447,758.94 : x
  2. Step 2: Convert to fraction form
    1,078,844.52/1,618,989.09 = 447,758.94/x
  3. Step 3: Cross multiply
    1,078,844.52x = 1,618,989.09 × 447,758.94
  4. Step 4: Simplify right side
    1,078,844.52x = 724,916,838,809.97
  5. Step 5: Solve for x
    x = 724,916,838,809.97/1,078,844.52
  6. Step 6: Final answer
    x = 671,938.19

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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.