Home / 1,440,998.07-1,987,290.21-1,195,594.30

Finding the Fourth Proportional to 1,440,998.07, 1,987,290.21 and 1,195,594.30

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Solution

The fourth proportional to 1,440,998.07, 1,987,290.21 and 1,195,594.30 is: 1,648,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,998.07 : 1,987,290.21 = 1,195,594.30 : x
  2. Step 2: Convert to fraction form
    1,440,998.07/1,987,290.21 = 1,195,594.30/x
  3. Step 3: Cross multiply
    1,440,998.07x = 1,987,290.21 × 1,195,594.30
  4. Step 4: Simplify right side
    1,440,998.07x = 2,375,992,854,474.30
  5. Step 5: Solve for x
    x = 2,375,992,854,474.30/1,440,998.07
  6. Step 6: Final answer
    x = 1,648,852.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.