Home / 1,328,782.54-1,994,053.20-730,160.55

Finding the Fourth Proportional to 1,328,782.54, 1,994,053.20 and 730,160.55

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Solution

The fourth proportional to 1,328,782.54, 1,994,053.20 and 730,160.55 is: 1,095,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,782.54 : 1,994,053.20 = 730,160.55 : x
  2. Step 2: Convert to fraction form
    1,328,782.54/1,994,053.20 = 730,160.55/x
  3. Step 3: Cross multiply
    1,328,782.54x = 1,994,053.20 × 730,160.55
  4. Step 4: Simplify right side
    1,328,782.54x = 1,455,978,981,241.26
  5. Step 5: Solve for x
    x = 1,455,978,981,241.26/1,328,782.54
  6. Step 6: Final answer
    x = 1,095,724.05

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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.