Home / 1,269,682.84-1,904,586.54-511,421.92

Finding the Fourth Proportional to 1,269,682.84, 1,904,586.54 and 511,421.92

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Solution

The fourth proportional to 1,269,682.84, 1,904,586.54 and 511,421.92 is: 767,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,682.84 : 1,904,586.54 = 511,421.92 : x
  2. Step 2: Convert to fraction form
    1,269,682.84/1,904,586.54 = 511,421.92/x
  3. Step 3: Cross multiply
    1,269,682.84x = 1,904,586.54 × 511,421.92
  4. Step 4: Simplify right side
    1,269,682.84x = 974,047,303,869.53
  5. Step 5: Solve for x
    x = 974,047,303,869.53/1,269,682.84
  6. Step 6: Final answer
    x = 767,157.96

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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.