Home / 1,087,680.69-1,501,137.75-657,963.90

Finding the Fourth Proportional to 1,087,680.69, 1,501,137.75 and 657,963.90

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Solution

The fourth proportional to 1,087,680.69, 1,501,137.75 and 657,963.90 is: 908,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,680.69 : 1,501,137.75 = 657,963.90 : x
  2. Step 2: Convert to fraction form
    1,087,680.69/1,501,137.75 = 657,963.90/x
  3. Step 3: Cross multiply
    1,087,680.69x = 1,501,137.75 × 657,963.90
  4. Step 4: Simplify right side
    1,087,680.69x = 987,694,440,921.54
  5. Step 5: Solve for x
    x = 987,694,440,921.54/1,087,680.69
  6. Step 6: Final answer
    x = 908,073.90

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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.