Home / 1,166,821.50-1,750,232.25-378,853.50

Finding the Fourth Proportional to 1,166,821.50, 1,750,232.25 and 378,853.50

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Solution

The fourth proportional to 1,166,821.50, 1,750,232.25 and 378,853.50 is: 568,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,821.50 : 1,750,232.25 = 378,853.50 : x
  2. Step 2: Convert to fraction form
    1,166,821.50/1,750,232.25 = 378,853.50/x
  3. Step 3: Cross multiply
    1,166,821.50x = 1,750,232.25 × 378,853.50
  4. Step 4: Simplify right side
    1,166,821.50x = 663,081,613,725.38
  5. Step 5: Solve for x
    x = 663,081,613,725.38/1,166,821.50
  6. Step 6: Final answer
    x = 568,280.25

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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.