Home / 1,334,801.64-1,842,016.80-722,940.30

Finding the Fourth Proportional to 1,334,801.64, 1,842,016.80 and 722,940.30

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Solution

The fourth proportional to 1,334,801.64, 1,842,016.80 and 722,940.30 is: 997,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,801.64 : 1,842,016.80 = 722,940.30 : x
  2. Step 2: Convert to fraction form
    1,334,801.64/1,842,016.80 = 722,940.30/x
  3. Step 3: Cross multiply
    1,334,801.64x = 1,842,016.80 × 722,940.30
  4. Step 4: Simplify right side
    1,334,801.64x = 1,331,668,177,997.04
  5. Step 5: Solve for x
    x = 1,331,668,177,997.04/1,334,801.64
  6. Step 6: Final answer
    x = 997,652.49

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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.