Home / 1,420,304.27-1,959,989.54-775,727.06

Finding the Fourth Proportional to 1,420,304.27, 1,959,989.54 and 775,727.06

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Solution

The fourth proportional to 1,420,304.27, 1,959,989.54 and 775,727.06 is: 1,070,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,304.27 : 1,959,989.54 = 775,727.06 : x
  2. Step 2: Convert to fraction form
    1,420,304.27/1,959,989.54 = 775,727.06/x
  3. Step 3: Cross multiply
    1,420,304.27x = 1,959,989.54 × 775,727.06
  4. Step 4: Simplify right side
    1,420,304.27x = 1,520,416,909,816.37
  5. Step 5: Solve for x
    x = 1,520,416,909,816.37/1,420,304.27
  6. Step 6: Final answer
    x = 1,070,486.76

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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.