Home / 1,248,361.74-1,872,099.77-449,428.77

Finding the Fourth Proportional to 1,248,361.74, 1,872,099.77 and 449,428.77

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Solution

The fourth proportional to 1,248,361.74, 1,872,099.77 and 449,428.77 is: 673,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,361.74 : 1,872,099.77 = 449,428.77 : x
  2. Step 2: Convert to fraction form
    1,248,361.74/1,872,099.77 = 449,428.77/x
  3. Step 3: Cross multiply
    1,248,361.74x = 1,872,099.77 × 449,428.77
  4. Step 4: Simplify right side
    1,248,361.74x = 841,375,494,701.24
  5. Step 5: Solve for x
    x = 841,375,494,701.24/1,248,361.74
  6. Step 6: Final answer
    x = 673,983.72

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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.