Home / 1,439,453.60-2,158,143.60-808,560.80

Finding the Fourth Proportional to 1,439,453.60, 2,158,143.60 and 808,560.80

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Solution

The fourth proportional to 1,439,453.60, 2,158,143.60 and 808,560.80 is: 1,212,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,453.60 : 2,158,143.60 = 808,560.80 : x
  2. Step 2: Convert to fraction form
    1,439,453.60/2,158,143.60 = 808,560.80/x
  3. Step 3: Cross multiply
    1,439,453.60x = 2,158,143.60 × 808,560.80
  4. Step 4: Simplify right side
    1,439,453.60x = 1,744,990,315,730.88
  5. Step 5: Solve for x
    x = 1,744,990,315,730.88/1,439,453.60
  6. Step 6: Final answer
    x = 1,212,258.82

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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.