Home / 1,376,396.20-2,064,593.34-429,848.04

Finding the Fourth Proportional to 1,376,396.20, 2,064,593.34 and 429,848.04

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Solution

The fourth proportional to 1,376,396.20, 2,064,593.34 and 429,848.04 is: 644,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,396.20 : 2,064,593.34 = 429,848.04 : x
  2. Step 2: Convert to fraction form
    1,376,396.20/2,064,593.34 = 429,848.04/x
  3. Step 3: Cross multiply
    1,376,396.20x = 2,064,593.34 × 429,848.04
  4. Step 4: Simplify right side
    1,376,396.20x = 887,461,400,596.05
  5. Step 5: Solve for x
    x = 887,461,400,596.05/1,376,396.20
  6. Step 6: Final answer
    x = 644,771.76

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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.