Home / 1,149,865.60-1,586,794.59-666,475.72

Finding the Fourth Proportional to 1,149,865.60, 1,586,794.59 and 666,475.72

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Solution

The fourth proportional to 1,149,865.60, 1,586,794.59 and 666,475.72 is: 919,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,865.60 : 1,586,794.59 = 666,475.72 : x
  2. Step 2: Convert to fraction form
    1,149,865.60/1,586,794.59 = 666,475.72/x
  3. Step 3: Cross multiply
    1,149,865.60x = 1,586,794.59 × 666,475.72
  4. Step 4: Simplify right side
    1,149,865.60x = 1,057,560,070,169.96
  5. Step 5: Solve for x
    x = 1,057,560,070,169.96/1,149,865.60
  6. Step 6: Final answer
    x = 919,724.94

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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.