Home / 1,267,105.90-1,900,638.48-307,569.37

Finding the Fourth Proportional to 1,267,105.90, 1,900,638.48 and 307,569.37

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Solution

The fourth proportional to 1,267,105.90, 1,900,638.48 and 307,569.37 is: 461,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,105.90 : 1,900,638.48 = 307,569.37 : x
  2. Step 2: Convert to fraction form
    1,267,105.90/1,900,638.48 = 307,569.37/x
  3. Step 3: Cross multiply
    1,267,105.90x = 1,900,638.48 × 307,569.37
  4. Step 4: Simplify right side
    1,267,105.90x = 584,578,179,891.36
  5. Step 5: Solve for x
    x = 584,578,179,891.36/1,267,105.90
  6. Step 6: Final answer
    x = 461,349.11

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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.