Home / 1,149,364.31-1,586,122.61-666,209.70

Finding the Fourth Proportional to 1,149,364.31, 1,586,122.61 and 666,209.70

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Solution

The fourth proportional to 1,149,364.31, 1,586,122.61 and 666,209.70 is: 919,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,364.31 : 1,586,122.61 = 666,209.70 : x
  2. Step 2: Convert to fraction form
    1,149,364.31/1,586,122.61 = 666,209.70/x
  3. Step 3: Cross multiply
    1,149,364.31x = 1,586,122.61 × 666,209.70
  4. Step 4: Simplify right side
    1,149,364.31x = 1,056,690,264,840.27
  5. Step 5: Solve for x
    x = 1,056,690,264,840.27/1,149,364.31
  6. Step 6: Final answer
    x = 919,369.31

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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.