Home / 1,266,686.05-1,900,153.82-368,135.64

Finding the Fourth Proportional to 1,266,686.05, 1,900,153.82 and 368,135.64

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Solution

The fourth proportional to 1,266,686.05, 1,900,153.82 and 368,135.64 is: 552,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,686.05 : 1,900,153.82 = 368,135.64 : x
  2. Step 2: Convert to fraction form
    1,266,686.05/1,900,153.82 = 368,135.64/x
  3. Step 3: Cross multiply
    1,266,686.05x = 1,900,153.82 × 368,135.64
  4. Step 4: Simplify right side
    1,266,686.05x = 699,514,342,624.15
  5. Step 5: Solve for x
    x = 699,514,342,624.15/1,266,686.05
  6. Step 6: Final answer
    x = 552,239.71

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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.