Home / 1,424,969.82-1,966,414.32-780,373.44

Finding the Fourth Proportional to 1,424,969.82, 1,966,414.32 and 780,373.44

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Solution

The fourth proportional to 1,424,969.82, 1,966,414.32 and 780,373.44 is: 1,076,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,969.82 : 1,966,414.32 = 780,373.44 : x
  2. Step 2: Convert to fraction form
    1,424,969.82/1,966,414.32 = 780,373.44/x
  3. Step 3: Cross multiply
    1,424,969.82x = 1,966,414.32 × 780,373.44
  4. Step 4: Simplify right side
    1,424,969.82x = 1,534,537,507,363.66
  5. Step 5: Solve for x
    x = 1,534,537,507,363.66/1,424,969.82
  6. Step 6: Final answer
    x = 1,076,891.23

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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.