Home / 1,409,058-2,113,143.32-462,208.72

Finding the Fourth Proportional to 1,409,058, 2,113,143.32 and 462,208.72

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Solution

The fourth proportional to 1,409,058, 2,113,143.32 and 462,208.72 is: 693,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,058 : 2,113,143.32 = 462,208.72 : x
  2. Step 2: Convert to fraction form
    1,409,058/2,113,143.32 = 462,208.72/x
  3. Step 3: Cross multiply
    1,409,058x = 2,113,143.32 × 462,208.72
  4. Step 4: Simplify right side
    1,409,058x = 976,713,269,113.75
  5. Step 5: Solve for x
    x = 976,713,269,113.75/1,409,058
  6. Step 6: Final answer
    x = 693,167.54

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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.