Home / 1,203,903.48-1,661,556.06-745,165.20

Finding the Fourth Proportional to 1,203,903.48, 1,661,556.06 and 745,165.20

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Solution

The fourth proportional to 1,203,903.48, 1,661,556.06 and 745,165.20 is: 1,028,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,903.48 : 1,661,556.06 = 745,165.20 : x
  2. Step 2: Convert to fraction form
    1,203,903.48/1,661,556.06 = 745,165.20/x
  3. Step 3: Cross multiply
    1,203,903.48x = 1,661,556.06 × 745,165.20
  4. Step 4: Simplify right side
    1,203,903.48x = 1,238,133,753,761.11
  5. Step 5: Solve for x
    x = 1,238,133,753,761.11/1,203,903.48
  6. Step 6: Final answer
    x = 1,028,432.74

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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.