Home / 1,022,842.64-1,411,004.04-780,704.84

Finding the Fourth Proportional to 1,022,842.64, 1,411,004.04 and 780,704.84

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Solution

The fourth proportional to 1,022,842.64, 1,411,004.04 and 780,704.84 is: 1,076,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,842.64 : 1,411,004.04 = 780,704.84 : x
  2. Step 2: Convert to fraction form
    1,022,842.64/1,411,004.04 = 780,704.84/x
  3. Step 3: Cross multiply
    1,022,842.64x = 1,411,004.04 × 780,704.84
  4. Step 4: Simplify right side
    1,022,842.64x = 1,101,577,683,287.55
  5. Step 5: Solve for x
    x = 1,101,577,683,287.55/1,022,842.64
  6. Step 6: Final answer
    x = 1,076,976.69

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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.