Home / 1,123,850.40-1,685,775.60-365,763.30

Finding the Fourth Proportional to 1,123,850.40, 1,685,775.60 and 365,763.30

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Solution

The fourth proportional to 1,123,850.40, 1,685,775.60 and 365,763.30 is: 548,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,850.40 : 1,685,775.60 = 365,763.30 : x
  2. Step 2: Convert to fraction form
    1,123,850.40/1,685,775.60 = 365,763.30/x
  3. Step 3: Cross multiply
    1,123,850.40x = 1,685,775.60 × 365,763.30
  4. Step 4: Simplify right side
    1,123,850.40x = 616,594,846,515.48
  5. Step 5: Solve for x
    x = 616,594,846,515.48/1,123,850.40
  6. Step 6: Final answer
    x = 548,644.95

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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.