Home / 1,100,071.36-1,650,108.32-301,359.76

Finding the Fourth Proportional to 1,100,071.36, 1,650,108.32 and 301,359.76

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Solution

The fourth proportional to 1,100,071.36, 1,650,108.32 and 301,359.76 is: 452,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,071.36 : 1,650,108.32 = 301,359.76 : x
  2. Step 2: Convert to fraction form
    1,100,071.36/1,650,108.32 = 301,359.76/x
  3. Step 3: Cross multiply
    1,100,071.36x = 1,650,108.32 × 301,359.76
  4. Step 4: Simplify right side
    1,100,071.36x = 497,276,247,289.20
  5. Step 5: Solve for x
    x = 497,276,247,289.20/1,100,071.36
  6. Step 6: Final answer
    x = 452,039.99

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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.