Home / 1,393,484.49-1,923,004.66-773,383.28

Finding the Fourth Proportional to 1,393,484.49, 1,923,004.66 and 773,383.28

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Solution

The fourth proportional to 1,393,484.49, 1,923,004.66 and 773,383.28 is: 1,067,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,484.49 : 1,923,004.66 = 773,383.28 : x
  2. Step 2: Convert to fraction form
    1,393,484.49/1,923,004.66 = 773,383.28/x
  3. Step 3: Cross multiply
    1,393,484.49x = 1,923,004.66 × 773,383.28
  4. Step 4: Simplify right side
    1,393,484.49x = 1,487,219,651,406.08
  5. Step 5: Solve for x
    x = 1,487,219,651,406.08/1,393,484.49
  6. Step 6: Final answer
    x = 1,067,266.74

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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.