Home / 1,208,738.10-1,813,107.15-727,662.90

Finding the Fourth Proportional to 1,208,738.10, 1,813,107.15 and 727,662.90

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Solution

The fourth proportional to 1,208,738.10, 1,813,107.15 and 727,662.90 is: 1,091,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,738.10 : 1,813,107.15 = 727,662.90 : x
  2. Step 2: Convert to fraction form
    1,208,738.10/1,813,107.15 = 727,662.90/x
  3. Step 3: Cross multiply
    1,208,738.10x = 1,813,107.15 × 727,662.90
  4. Step 4: Simplify right side
    1,208,738.10x = 1,319,330,806,779.73
  5. Step 5: Solve for x
    x = 1,319,330,806,779.73/1,208,738.10
  6. Step 6: Final answer
    x = 1,091,494.35

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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.