Home / 1,367,417.92-2,051,321.28-420,867.52

Finding the Fourth Proportional to 1,367,417.92, 2,051,321.28 and 420,867.52

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Solution

The fourth proportional to 1,367,417.92, 2,051,321.28 and 420,867.52 is: 631,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,417.92 : 2,051,321.28 = 420,867.52 : x
  2. Step 2: Convert to fraction form
    1,367,417.92/2,051,321.28 = 420,867.52/x
  3. Step 3: Cross multiply
    1,367,417.92x = 2,051,321.28 × 420,867.52
  4. Step 4: Simplify right side
    1,367,417.92x = 863,334,499,836.83
  5. Step 5: Solve for x
    x = 863,334,499,836.83/1,367,417.92
  6. Step 6: Final answer
    x = 631,361.11

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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.