Home / 1,275,118.09-1,759,662.79-702,156.85

Finding the Fourth Proportional to 1,275,118.09, 1,759,662.79 and 702,156.85

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Solution

The fourth proportional to 1,275,118.09, 1,759,662.79 and 702,156.85 is: 968,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,118.09 : 1,759,662.79 = 702,156.85 : x
  2. Step 2: Convert to fraction form
    1,275,118.09/1,759,662.79 = 702,156.85/x
  3. Step 3: Cross multiply
    1,275,118.09x = 1,759,662.79 × 702,156.85
  4. Step 4: Simplify right side
    1,275,118.09x = 1,235,559,281,688.61
  5. Step 5: Solve for x
    x = 1,235,559,281,688.61/1,275,118.09
  6. Step 6: Final answer
    x = 968,976.36

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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.