Home / 1,239,706.62-1,858,710.96-631,317.24

Finding the Fourth Proportional to 1,239,706.62, 1,858,710.96 and 631,317.24

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Solution

The fourth proportional to 1,239,706.62, 1,858,710.96 and 631,317.24 is: 946,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,706.62 : 1,858,710.96 = 631,317.24 : x
  2. Step 2: Convert to fraction form
    1,239,706.62/1,858,710.96 = 631,317.24/x
  3. Step 3: Cross multiply
    1,239,706.62x = 1,858,710.96 × 631,317.24
  4. Step 4: Simplify right side
    1,239,706.62x = 1,173,436,273,224.95
  5. Step 5: Solve for x
    x = 1,173,436,273,224.95/1,239,706.62
  6. Step 6: Final answer
    x = 946,543.52

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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.