Home / 1,269,763.40-1,904,545.74-371,213.48

Finding the Fourth Proportional to 1,269,763.40, 1,904,545.74 and 371,213.48

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Solution

The fourth proportional to 1,269,763.40, 1,904,545.74 and 371,213.48 is: 556,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,763.40 : 1,904,545.74 = 371,213.48 : x
  2. Step 2: Convert to fraction form
    1,269,763.40/1,904,545.74 = 371,213.48/x
  3. Step 3: Cross multiply
    1,269,763.40x = 1,904,545.74 × 371,213.48
  4. Step 4: Simplify right side
    1,269,763.40x = 706,993,051,964.58
  5. Step 5: Solve for x
    x = 706,993,051,964.58/1,269,763.40
  6. Step 6: Final answer
    x = 556,791.17

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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.