Home / 1,490,114.05-2,235,171.30-479,213.85

Finding the Fourth Proportional to 1,490,114.05, 2,235,171.30 and 479,213.85

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Solution

The fourth proportional to 1,490,114.05, 2,235,171.30 and 479,213.85 is: 718,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,114.05 : 2,235,171.30 = 479,213.85 : x
  2. Step 2: Convert to fraction form
    1,490,114.05/2,235,171.30 = 479,213.85/x
  3. Step 3: Cross multiply
    1,490,114.05x = 2,235,171.30 × 479,213.85
  4. Step 4: Simplify right side
    1,490,114.05x = 1,071,125,044,082.50
  5. Step 5: Solve for x
    x = 1,071,125,044,082.50/1,490,114.05
  6. Step 6: Final answer
    x = 718,820.85

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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.