Home / 1,409,202.74-2,113,892.12-398,402.66

Finding the Fourth Proportional to 1,409,202.74, 2,113,892.12 and 398,402.66

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Solution

The fourth proportional to 1,409,202.74, 2,113,892.12 and 398,402.66 is: 597,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,202.74 : 2,113,892.12 = 398,402.66 : x
  2. Step 2: Convert to fraction form
    1,409,202.74/2,113,892.12 = 398,402.66/x
  3. Step 3: Cross multiply
    1,409,202.74x = 2,113,892.12 × 398,402.66
  4. Step 4: Simplify right side
    1,409,202.74x = 842,180,233,987.59
  5. Step 5: Solve for x
    x = 842,180,233,987.59/1,409,202.74
  6. Step 6: Final answer
    x = 597,628.87

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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.