Home / 1,493,972.10-2,238,005.70-818,845.20

Finding the Fourth Proportional to 1,493,972.10, 2,238,005.70 and 818,845.20

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Solution

The fourth proportional to 1,493,972.10, 2,238,005.70 and 818,845.20 is: 1,226,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,972.10 : 2,238,005.70 = 818,845.20 : x
  2. Step 2: Convert to fraction form
    1,493,972.10/2,238,005.70 = 818,845.20/x
  3. Step 3: Cross multiply
    1,493,972.10x = 2,238,005.70 × 818,845.20
  4. Step 4: Simplify right side
    1,493,972.10x = 1,832,580,225,017.64
  5. Step 5: Solve for x
    x = 1,832,580,225,017.64/1,493,972.10
  6. Step 6: Final answer
    x = 1,226,649.56

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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.