Home / 1,255,910.80-1,883,981.40-414,464.40

Finding the Fourth Proportional to 1,255,910.80, 1,883,981.40 and 414,464.40

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Solution

The fourth proportional to 1,255,910.80, 1,883,981.40 and 414,464.40 is: 621,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,910.80 : 1,883,981.40 = 414,464.40 : x
  2. Step 2: Convert to fraction form
    1,255,910.80/1,883,981.40 = 414,464.40/x
  3. Step 3: Cross multiply
    1,255,910.80x = 1,883,981.40 × 414,464.40
  4. Step 4: Simplify right side
    1,255,910.80x = 780,843,220,562.16
  5. Step 5: Solve for x
    x = 780,843,220,562.16/1,255,910.80
  6. Step 6: Final answer
    x = 621,734.62

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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.