Home / 1,262,304.94-1,893,474.14-420,856.96

Finding the Fourth Proportional to 1,262,304.94, 1,893,474.14 and 420,856.96

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Solution

The fourth proportional to 1,262,304.94, 1,893,474.14 and 420,856.96 is: 631,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,304.94 : 1,893,474.14 = 420,856.96 : x
  2. Step 2: Convert to fraction form
    1,262,304.94/1,893,474.14 = 420,856.96/x
  3. Step 3: Cross multiply
    1,262,304.94x = 1,893,474.14 × 420,856.96
  4. Step 4: Simplify right side
    1,262,304.94x = 796,881,770,399.01
  5. Step 5: Solve for x
    x = 796,881,770,399.01/1,262,304.94
  6. Step 6: Final answer
    x = 631,291.02

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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.