Home / 1,221,279.43-1,831,923.83-510,809.08

Finding the Fourth Proportional to 1,221,279.43, 1,831,923.83 and 510,809.08

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Solution

The fourth proportional to 1,221,279.43, 1,831,923.83 and 510,809.08 is: 766,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,279.43 : 1,831,923.83 = 510,809.08 : x
  2. Step 2: Convert to fraction form
    1,221,279.43/1,831,923.83 = 510,809.08/x
  3. Step 3: Cross multiply
    1,221,279.43x = 1,831,923.83 × 510,809.08
  4. Step 4: Simplify right side
    1,221,279.43x = 935,763,326,232.38
  5. Step 5: Solve for x
    x = 935,763,326,232.38/1,221,279.43
  6. Step 6: Final answer
    x = 766,215.58

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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.