Home / 947,339.80-1,421,009.70-844,120.60

Finding the Fourth Proportional to 947,339.80, 1,421,009.70 and 844,120.60

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Solution

The fourth proportional to 947,339.80, 1,421,009.70 and 844,120.60 is: 1,266,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,339.80 : 1,421,009.70 = 844,120.60 : x
  2. Step 2: Convert to fraction form
    947,339.80/1,421,009.70 = 844,120.60/x
  3. Step 3: Cross multiply
    947,339.80x = 1,421,009.70 × 844,120.60
  4. Step 4: Simplify right side
    947,339.80x = 1,199,503,560,569.82
  5. Step 5: Solve for x
    x = 1,199,503,560,569.82/947,339.80
  6. Step 6: Final answer
    x = 1,266,180.90

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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.