Home / 1,206,018.72-1,809,421.20-606,670.56

Finding the Fourth Proportional to 1,206,018.72, 1,809,421.20 and 606,670.56

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Solution

The fourth proportional to 1,206,018.72, 1,809,421.20 and 606,670.56 is: 910,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,018.72 : 1,809,421.20 = 606,670.56 : x
  2. Step 2: Convert to fraction form
    1,206,018.72/1,809,421.20 = 606,670.56/x
  3. Step 3: Cross multiply
    1,206,018.72x = 1,809,421.20 × 606,670.56
  4. Step 4: Simplify right side
    1,206,018.72x = 1,097,722,572,679.87
  5. Step 5: Solve for x
    x = 1,097,722,572,679.87/1,206,018.72
  6. Step 6: Final answer
    x = 910,203.59

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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.