Home / 1,122,380.55-1,683,819.60-323,599.76

Finding the Fourth Proportional to 1,122,380.55, 1,683,819.60 and 323,599.76

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Solution

The fourth proportional to 1,122,380.55, 1,683,819.60 and 323,599.76 is: 485,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,380.55 : 1,683,819.60 = 323,599.76 : x
  2. Step 2: Convert to fraction form
    1,122,380.55/1,683,819.60 = 323,599.76/x
  3. Step 3: Cross multiply
    1,122,380.55x = 1,683,819.60 × 323,599.76
  4. Step 4: Simplify right side
    1,122,380.55x = 544,883,615,125.02
  5. Step 5: Solve for x
    x = 544,883,615,125.02/1,122,380.55
  6. Step 6: Final answer
    x = 485,471.36

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1.5x scale

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.