Home / 1,100,071.38-1,650,108.36-301,359.78

Finding the Fourth Proportional to 1,100,071.38, 1,650,108.36 and 301,359.78

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Solution

The fourth proportional to 1,100,071.38, 1,650,108.36 and 301,359.78 is: 452,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,071.38 : 1,650,108.36 = 301,359.78 : x
  2. Step 2: Convert to fraction form
    1,100,071.38/1,650,108.36 = 301,359.78/x
  3. Step 3: Cross multiply
    1,100,071.38x = 1,650,108.36 × 301,359.78
  4. Step 4: Simplify right side
    1,100,071.38x = 497,276,292,345.76
  5. Step 5: Solve for x
    x = 497,276,292,345.76/1,100,071.38
  6. Step 6: Final answer
    x = 452,040.02

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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.