Home / 1,108,107.10-1,662,160.65-968,139.10

Finding the Fourth Proportional to 1,108,107.10, 1,662,160.65 and 968,139.10

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Solution

The fourth proportional to 1,108,107.10, 1,662,160.65 and 968,139.10 is: 1,452,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,107.10 : 1,662,160.65 = 968,139.10 : x
  2. Step 2: Convert to fraction form
    1,108,107.10/1,662,160.65 = 968,139.10/x
  3. Step 3: Cross multiply
    1,108,107.10x = 1,662,160.65 × 968,139.10
  4. Step 4: Simplify right side
    1,108,107.10x = 1,609,202,715,746.41
  5. Step 5: Solve for x
    x = 1,609,202,715,746.41/1,108,107.10
  6. Step 6: Final answer
    x = 1,452,208.65

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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.