Home / 1,207,228.31-1,665,877.56-697,963.49

Finding the Fourth Proportional to 1,207,228.31, 1,665,877.56 and 697,963.49

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Solution

The fourth proportional to 1,207,228.31, 1,665,877.56 and 697,963.49 is: 963,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,228.31 : 1,665,877.56 = 697,963.49 : x
  2. Step 2: Convert to fraction form
    1,207,228.31/1,665,877.56 = 697,963.49/x
  3. Step 3: Cross multiply
    1,207,228.31x = 1,665,877.56 × 697,963.49
  4. Step 4: Simplify right side
    1,207,228.31x = 1,162,721,715,690.28
  5. Step 5: Solve for x
    x = 1,162,721,715,690.28/1,207,228.31
  6. Step 6: Final answer
    x = 963,133.24

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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.