Home / 1,289,829.12-1,935,093.60-448,446.48

Finding the Fourth Proportional to 1,289,829.12, 1,935,093.60 and 448,446.48

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Solution

The fourth proportional to 1,289,829.12, 1,935,093.60 and 448,446.48 is: 672,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,829.12 : 1,935,093.60 = 448,446.48 : x
  2. Step 2: Convert to fraction form
    1,289,829.12/1,935,093.60 = 448,446.48/x
  3. Step 3: Cross multiply
    1,289,829.12x = 1,935,093.60 × 448,446.48
  4. Step 4: Simplify right side
    1,289,829.12x = 867,785,913,390.53
  5. Step 5: Solve for x
    x = 867,785,913,390.53/1,289,829.12
  6. Step 6: Final answer
    x = 672,791.38

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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.