Home / 1,108,111.10-1,662,166.65-968,143.10

Finding the Fourth Proportional to 1,108,111.10, 1,662,166.65 and 968,143.10

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Solution

The fourth proportional to 1,108,111.10, 1,662,166.65 and 968,143.10 is: 1,452,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,111.10 : 1,662,166.65 = 968,143.10 : x
  2. Step 2: Convert to fraction form
    1,108,111.10/1,662,166.65 = 968,143.10/x
  3. Step 3: Cross multiply
    1,108,111.10x = 1,662,166.65 × 968,143.10
  4. Step 4: Simplify right side
    1,108,111.10x = 1,609,215,173,247.62
  5. Step 5: Solve for x
    x = 1,609,215,173,247.62/1,108,111.10
  6. Step 6: Final answer
    x = 1,452,214.65

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Double scale
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Similar ratio
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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.