Home / 1,149,297.26-1,586,030.20-666,142.65

Finding the Fourth Proportional to 1,149,297.26, 1,586,030.20 and 666,142.65

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Solution

The fourth proportional to 1,149,297.26, 1,586,030.20 and 666,142.65 is: 919,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,297.26 : 1,586,030.20 = 666,142.65 : x
  2. Step 2: Convert to fraction form
    1,149,297.26/1,586,030.20 = 666,142.65/x
  3. Step 3: Cross multiply
    1,149,297.26x = 1,586,030.20 × 666,142.65
  4. Step 4: Simplify right side
    1,149,297.26x = 1,056,522,360,408.03
  5. Step 5: Solve for x
    x = 1,056,522,360,408.03/1,149,297.26
  6. Step 6: Final answer
    x = 919,276.85

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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.