Home / 1,282,866.32-1,770,356.21-702,089.11

Finding the Fourth Proportional to 1,282,866.32, 1,770,356.21 and 702,089.11

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Solution

The fourth proportional to 1,282,866.32, 1,770,356.21 and 702,089.11 is: 968,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,866.32 : 1,770,356.21 = 702,089.11 : x
  2. Step 2: Convert to fraction form
    1,282,866.32/1,770,356.21 = 702,089.11/x
  3. Step 3: Cross multiply
    1,282,866.32x = 1,770,356.21 × 702,089.11
  4. Step 4: Simplify right side
    1,282,866.32x = 1,242,947,804,606.12
  5. Step 5: Solve for x
    x = 1,242,947,804,606.12/1,282,866.32
  6. Step 6: Final answer
    x = 968,883.34

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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.