Home / 1,100,090.72-1,650,137.52-301,379.24

Finding the Fourth Proportional to 1,100,090.72, 1,650,137.52 and 301,379.24

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Solution

The fourth proportional to 1,100,090.72, 1,650,137.52 and 301,379.24 is: 452,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,090.72 : 1,650,137.52 = 301,379.24 : x
  2. Step 2: Convert to fraction form
    1,100,090.72/1,650,137.52 = 301,379.24/x
  3. Step 3: Cross multiply
    1,100,090.72x = 1,650,137.52 × 301,379.24
  4. Step 4: Simplify right side
    1,100,090.72x = 497,317,191,673.09
  5. Step 5: Solve for x
    x = 497,317,191,673.09/1,100,090.72
  6. Step 6: Final answer
    x = 452,069.25

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Double scale
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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.