Home / 1,376,574.96-1,899,611.68-764,770.56

Finding the Fourth Proportional to 1,376,574.96, 1,899,611.68 and 764,770.56

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Solution

The fourth proportional to 1,376,574.96, 1,899,611.68 and 764,770.56 is: 1,055,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,574.96 : 1,899,611.68 = 764,770.56 : x
  2. Step 2: Convert to fraction form
    1,376,574.96/1,899,611.68 = 764,770.56/x
  3. Step 3: Cross multiply
    1,376,574.96x = 1,899,611.68 × 764,770.56
  4. Step 4: Simplify right side
    1,376,574.96x = 1,452,767,088,296.14
  5. Step 5: Solve for x
    x = 1,452,767,088,296.14/1,376,574.96
  6. Step 6: Final answer
    x = 1,055,349.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.