Home / 1,248,362.49-1,872,100.89-449,429.52

Finding the Fourth Proportional to 1,248,362.49, 1,872,100.89 and 449,429.52

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Solution

The fourth proportional to 1,248,362.49, 1,872,100.89 and 449,429.52 is: 673,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,362.49 : 1,872,100.89 = 449,429.52 : x
  2. Step 2: Convert to fraction form
    1,248,362.49/1,872,100.89 = 449,429.52/x
  3. Step 3: Cross multiply
    1,248,362.49x = 1,872,100.89 × 449,429.52
  4. Step 4: Simplify right side
    1,248,362.49x = 841,377,404,384.27
  5. Step 5: Solve for x
    x = 841,377,404,384.27/1,248,362.49
  6. Step 6: Final answer
    x = 673,984.85

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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.