Home / 1,012,633.03-1,519,368.90-443,720.20

Finding the Fourth Proportional to 1,012,633.03, 1,519,368.90 and 443,720.20

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Solution

The fourth proportional to 1,012,633.03, 1,519,368.90 and 443,720.20 is: 665,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,633.03 : 1,519,368.90 = 443,720.20 : x
  2. Step 2: Convert to fraction form
    1,012,633.03/1,519,368.90 = 443,720.20/x
  3. Step 3: Cross multiply
    1,012,633.03x = 1,519,368.90 × 443,720.20
  4. Step 4: Simplify right side
    1,012,633.03x = 674,174,672,181.78
  5. Step 5: Solve for x
    x = 674,174,672,181.78/1,012,633.03
  6. Step 6: Final answer
    x = 665,764.05

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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.