Home / 1,109,019.44-1,663,328.76-310,103.60

Finding the Fourth Proportional to 1,109,019.44, 1,663,328.76 and 310,103.60

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Solution

The fourth proportional to 1,109,019.44, 1,663,328.76 and 310,103.60 is: 465,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,019.44 : 1,663,328.76 = 310,103.60 : x
  2. Step 2: Convert to fraction form
    1,109,019.44/1,663,328.76 = 310,103.60/x
  3. Step 3: Cross multiply
    1,109,019.44x = 1,663,328.76 × 310,103.60
  4. Step 4: Simplify right side
    1,109,019.44x = 515,804,236,459.54
  5. Step 5: Solve for x
    x = 515,804,236,459.54/1,109,019.44
  6. Step 6: Final answer
    x = 465,099.36

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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.