Home / 1,121,212.56-1,682,064.09-363,130.63

Finding the Fourth Proportional to 1,121,212.56, 1,682,064.09 and 363,130.63

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Solution

The fourth proportional to 1,121,212.56, 1,682,064.09 and 363,130.63 is: 544,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,212.56 : 1,682,064.09 = 363,130.63 : x
  2. Step 2: Convert to fraction form
    1,121,212.56/1,682,064.09 = 363,130.63/x
  3. Step 3: Cross multiply
    1,121,212.56x = 1,682,064.09 × 363,130.63
  4. Step 4: Simplify right side
    1,121,212.56x = 610,808,992,702.08
  5. Step 5: Solve for x
    x = 610,808,992,702.08/1,121,212.56
  6. Step 6: Final answer
    x = 544,775.37

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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.