Home / 1,217,476.65-1,825,767.86-418,531.53

Finding the Fourth Proportional to 1,217,476.65, 1,825,767.86 and 418,531.53

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Solution

The fourth proportional to 1,217,476.65, 1,825,767.86 and 418,531.53 is: 627,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,476.65 : 1,825,767.86 = 418,531.53 : x
  2. Step 2: Convert to fraction form
    1,217,476.65/1,825,767.86 = 418,531.53/x
  3. Step 3: Cross multiply
    1,217,476.65x = 1,825,767.86 × 418,531.53
  4. Step 4: Simplify right side
    1,217,476.65x = 764,141,413,777.97
  5. Step 5: Solve for x
    x = 764,141,413,777.97/1,217,476.65
  6. Step 6: Final answer
    x = 627,643.59

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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.