Home / 1,221,279.70-1,831,924.25-510,809.33

Finding the Fourth Proportional to 1,221,279.70, 1,831,924.25 and 510,809.33

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Solution

The fourth proportional to 1,221,279.70, 1,831,924.25 and 510,809.33 is: 766,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,279.70 : 1,831,924.25 = 510,809.33 : x
  2. Step 2: Convert to fraction form
    1,221,279.70/1,831,924.25 = 510,809.33/x
  3. Step 3: Cross multiply
    1,221,279.70x = 1,831,924.25 × 510,809.33
  4. Step 4: Simplify right side
    1,221,279.70x = 935,763,998,753.25
  5. Step 5: Solve for x
    x = 935,763,998,753.25/1,221,279.70
  6. Step 6: Final answer
    x = 766,215.96

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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.