Home / 1,123,512.20-1,685,268.30-493,656.20

Finding the Fourth Proportional to 1,123,512.20, 1,685,268.30 and 493,656.20

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Solution

The fourth proportional to 1,123,512.20, 1,685,268.30 and 493,656.20 is: 740,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,512.20 : 1,685,268.30 = 493,656.20 : x
  2. Step 2: Convert to fraction form
    1,123,512.20/1,685,268.30 = 493,656.20/x
  3. Step 3: Cross multiply
    1,123,512.20x = 1,685,268.30 × 493,656.20
  4. Step 4: Simplify right side
    1,123,512.20x = 831,943,144,958.46
  5. Step 5: Solve for x
    x = 831,943,144,958.46/1,123,512.20
  6. Step 6: Final answer
    x = 740,484.30

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Double scale
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Similar ratio
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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.