Home / 1,123,900.40-1,685,850.60-365,813.30

Finding the Fourth Proportional to 1,123,900.40, 1,685,850.60 and 365,813.30

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Solution

The fourth proportional to 1,123,900.40, 1,685,850.60 and 365,813.30 is: 548,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,900.40 : 1,685,850.60 = 365,813.30 : x
  2. Step 2: Convert to fraction form
    1,123,900.40/1,685,850.60 = 365,813.30/x
  3. Step 3: Cross multiply
    1,123,900.40x = 1,685,850.60 × 365,813.30
  4. Step 4: Simplify right side
    1,123,900.40x = 616,706,571,292.98
  5. Step 5: Solve for x
    x = 616,706,571,292.98/1,123,900.40
  6. Step 6: Final answer
    x = 548,719.95

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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.