Home / 1,260,269.60-1,890,577.20-418,733.60

Finding the Fourth Proportional to 1,260,269.60, 1,890,577.20 and 418,733.60

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Solution

The fourth proportional to 1,260,269.60, 1,890,577.20 and 418,733.60 is: 628,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,269.60 : 1,890,577.20 = 418,733.60 : x
  2. Step 2: Convert to fraction form
    1,260,269.60/1,890,577.20 = 418,733.60/x
  3. Step 3: Cross multiply
    1,260,269.60x = 1,890,577.20 × 418,733.60
  4. Step 4: Simplify right side
    1,260,269.60x = 791,648,197,033.92
  5. Step 5: Solve for x
    x = 791,648,197,033.92/1,260,269.60
  6. Step 6: Final answer
    x = 628,157.81

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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.