Home / 1,123,255.80-1,684,883.70-493,399.80

Finding the Fourth Proportional to 1,123,255.80, 1,684,883.70 and 493,399.80

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Solution

The fourth proportional to 1,123,255.80, 1,684,883.70 and 493,399.80 is: 740,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,255.80 : 1,684,883.70 = 493,399.80 : x
  2. Step 2: Convert to fraction form
    1,123,255.80/1,684,883.70 = 493,399.80/x
  3. Step 3: Cross multiply
    1,123,255.80x = 1,684,883.70 × 493,399.80
  4. Step 4: Simplify right side
    1,123,255.80x = 831,321,280,603.26
  5. Step 5: Solve for x
    x = 831,321,280,603.26/1,123,255.80
  6. Step 6: Final answer
    x = 740,099.70

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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.