Home / 1,190,021.25-1,785,032.01-303,557.25

Finding the Fourth Proportional to 1,190,021.25, 1,785,032.01 and 303,557.25

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Solution

The fourth proportional to 1,190,021.25, 1,785,032.01 and 303,557.25 is: 455,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,021.25 : 1,785,032.01 = 303,557.25 : x
  2. Step 2: Convert to fraction form
    1,190,021.25/1,785,032.01 = 303,557.25/x
  3. Step 3: Cross multiply
    1,190,021.25x = 1,785,032.01 × 303,557.25
  4. Step 4: Simplify right side
    1,190,021.25x = 541,859,408,117.57
  5. Step 5: Solve for x
    x = 541,859,408,117.57/1,190,021.25
  6. Step 6: Final answer
    x = 455,335.91

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Half scale
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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.