Home / 1,269,118.62-1,902,731.04-763,561.17

Finding the Fourth Proportional to 1,269,118.62, 1,902,731.04 and 763,561.17

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Solution

The fourth proportional to 1,269,118.62, 1,902,731.04 and 763,561.17 is: 1,144,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,118.62 : 1,902,731.04 = 763,561.17 : x
  2. Step 2: Convert to fraction form
    1,269,118.62/1,902,731.04 = 763,561.17/x
  3. Step 3: Cross multiply
    1,269,118.62x = 1,902,731.04 × 763,561.17
  4. Step 4: Simplify right side
    1,269,118.62x = 1,452,851,539,097.72
  5. Step 5: Solve for x
    x = 1,452,851,539,097.72/1,269,118.62
  6. Step 6: Final answer
    x = 1,144,772.06

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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.