Home / 1,149,295.51-1,586,027.79-666,140.90

Finding the Fourth Proportional to 1,149,295.51, 1,586,027.79 and 666,140.90

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Solution

The fourth proportional to 1,149,295.51, 1,586,027.79 and 666,140.90 is: 919,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,295.51 : 1,586,027.79 = 666,140.90 : x
  2. Step 2: Convert to fraction form
    1,149,295.51/1,586,027.79 = 666,140.90/x
  3. Step 3: Cross multiply
    1,149,295.51x = 1,586,027.79 × 666,140.90
  4. Step 4: Simplify right side
    1,149,295.51x = 1,056,517,976,124.91
  5. Step 5: Solve for x
    x = 1,056,517,976,124.91/1,149,295.51
  6. Step 6: Final answer
    x = 919,274.44

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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.