Home / 1,170,015.70-1,615,372.05-955,670.26

Finding the Fourth Proportional to 1,170,015.70, 1,615,372.05 and 955,670.26

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Solution

The fourth proportional to 1,170,015.70, 1,615,372.05 and 955,670.26 is: 1,319,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,015.70 : 1,615,372.05 = 955,670.26 : x
  2. Step 2: Convert to fraction form
    1,170,015.70/1,615,372.05 = 955,670.26/x
  3. Step 3: Cross multiply
    1,170,015.70x = 1,615,372.05 × 955,670.26
  4. Step 4: Simplify right side
    1,170,015.70x = 1,543,763,027,020.23
  5. Step 5: Solve for x
    x = 1,543,763,027,020.23/1,170,015.70
  6. Step 6: Final answer
    x = 1,319,437.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.