Home / 1,854,712.45-2,782,257.27-640,131.04

Finding the Fourth Proportional to 1,854,712.45, 2,782,257.27 and 640,131.04

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Solution

The fourth proportional to 1,854,712.45, 2,782,257.27 and 640,131.04 is: 960,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,712.45 : 2,782,257.27 = 640,131.04 : x
  2. Step 2: Convert to fraction form
    1,854,712.45/2,782,257.27 = 640,131.04/x
  3. Step 3: Cross multiply
    1,854,712.45x = 2,782,257.27 × 640,131.04
  4. Step 4: Simplify right side
    1,854,712.45x = 1,781,009,239,792.66
  5. Step 5: Solve for x
    x = 1,781,009,239,792.66/1,854,712.45
  6. Step 6: Final answer
    x = 960,261.65

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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.