Home / 1,203,918.48-1,661,576.76-745,180.20

Finding the Fourth Proportional to 1,203,918.48, 1,661,576.76 and 745,180.20

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Solution

The fourth proportional to 1,203,918.48, 1,661,576.76 and 745,180.20 is: 1,028,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,918.48 : 1,661,576.76 = 745,180.20 : x
  2. Step 2: Convert to fraction form
    1,203,918.48/1,661,576.76 = 745,180.20/x
  3. Step 3: Cross multiply
    1,203,918.48x = 1,661,576.76 × 745,180.20
  4. Step 4: Simplify right side
    1,203,918.48x = 1,238,174,102,332.15
  5. Step 5: Solve for x
    x = 1,238,174,102,332.15/1,203,918.48
  6. Step 6: Final answer
    x = 1,028,453.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.