Home / 1,424,932.38-1,966,412.97-780,357.06

Finding the Fourth Proportional to 1,424,932.38, 1,966,412.97 and 780,357.06

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Solution

The fourth proportional to 1,424,932.38, 1,966,412.97 and 780,357.06 is: 1,076,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,932.38 : 1,966,412.97 = 780,357.06 : x
  2. Step 2: Convert to fraction form
    1,424,932.38/1,966,412.97 = 780,357.06/x
  3. Step 3: Cross multiply
    1,424,932.38x = 1,966,412.97 × 780,357.06
  4. Step 4: Simplify right side
    1,424,932.38x = 1,534,504,244,015.07
  5. Step 5: Solve for x
    x = 1,534,504,244,015.07/1,424,932.38
  6. Step 6: Final answer
    x = 1,076,896.19

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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.