Home / 1,346,136.31-2,019,222.05-447,578.04

Finding the Fourth Proportional to 1,346,136.31, 2,019,222.05 and 447,578.04

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Solution

The fourth proportional to 1,346,136.31, 2,019,222.05 and 447,578.04 is: 671,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,136.31 : 2,019,222.05 = 447,578.04 : x
  2. Step 2: Convert to fraction form
    1,346,136.31/2,019,222.05 = 447,578.04/x
  3. Step 3: Cross multiply
    1,346,136.31x = 2,019,222.05 × 447,578.04
  4. Step 4: Simplify right side
    1,346,136.31x = 903,759,447,463.78
  5. Step 5: Solve for x
    x = 903,759,447,463.78/1,346,136.31
  6. Step 6: Final answer
    x = 671,372.91

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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.