Home / 1,228,705.92-1,843,889.27-429,994.49

Finding the Fourth Proportional to 1,228,705.92, 1,843,889.27 and 429,994.49

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Solution

The fourth proportional to 1,228,705.92, 1,843,889.27 and 429,994.49 is: 645,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,705.92 : 1,843,889.27 = 429,994.49 : x
  2. Step 2: Convert to fraction form
    1,228,705.92/1,843,889.27 = 429,994.49/x
  3. Step 3: Cross multiply
    1,228,705.92x = 1,843,889.27 × 429,994.49
  4. Step 4: Simplify right side
    1,228,705.92x = 792,862,214,900.70
  5. Step 5: Solve for x
    x = 792,862,214,900.70/1,228,705.92
  6. Step 6: Final answer
    x = 645,282.33

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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.