Home / 1,123,962.40-1,685,499.80-449,918.06

Finding the Fourth Proportional to 1,123,962.40, 1,685,499.80 and 449,918.06

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Solution

The fourth proportional to 1,123,962.40, 1,685,499.80 and 449,918.06 is: 674,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,962.40 : 1,685,499.80 = 449,918.06 : x
  2. Step 2: Convert to fraction form
    1,123,962.40/1,685,499.80 = 449,918.06/x
  3. Step 3: Cross multiply
    1,123,962.40x = 1,685,499.80 × 449,918.06
  4. Step 4: Simplify right side
    1,123,962.40x = 758,336,800,146.39
  5. Step 5: Solve for x
    x = 758,336,800,146.39/1,123,962.40
  6. Step 6: Final answer
    x = 674,699.44

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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.