Home / 1,180,640.31-1,771,015.79-381,984.36

Finding the Fourth Proportional to 1,180,640.31, 1,771,015.79 and 381,984.36

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Solution

The fourth proportional to 1,180,640.31, 1,771,015.79 and 381,984.36 is: 572,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,640.31 : 1,771,015.79 = 381,984.36 : x
  2. Step 2: Convert to fraction form
    1,180,640.31/1,771,015.79 = 381,984.36/x
  3. Step 3: Cross multiply
    1,180,640.31x = 1,771,015.79 × 381,984.36
  4. Step 4: Simplify right side
    1,180,640.31x = 676,500,327,406.70
  5. Step 5: Solve for x
    x = 676,500,327,406.70/1,180,640.31
  6. Step 6: Final answer
    x = 572,994.44

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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.