Home / 1,361,005.80-2,042,164.80-960,784.80

Finding the Fourth Proportional to 1,361,005.80, 2,042,164.80 and 960,784.80

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Solution

The fourth proportional to 1,361,005.80, 2,042,164.80 and 960,784.80 is: 1,441,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,005.80 : 2,042,164.80 = 960,784.80 : x
  2. Step 2: Convert to fraction form
    1,361,005.80/2,042,164.80 = 960,784.80/x
  3. Step 3: Cross multiply
    1,361,005.80x = 2,042,164.80 × 960,784.80
  4. Step 4: Simplify right side
    1,361,005.80x = 1,962,080,898,935.04
  5. Step 5: Solve for x
    x = 1,962,080,898,935.04/1,361,005.80
  6. Step 6: Final answer
    x = 1,441,640.37

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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.