Home / 1,149,602.90-1,586,452.43-666,448.12

Finding the Fourth Proportional to 1,149,602.90, 1,586,452.43 and 666,448.12

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Solution

The fourth proportional to 1,149,602.90, 1,586,452.43 and 666,448.12 is: 919,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,602.90 : 1,586,452.43 = 666,448.12 : x
  2. Step 2: Convert to fraction form
    1,149,602.90/1,586,452.43 = 666,448.12/x
  3. Step 3: Cross multiply
    1,149,602.90x = 1,586,452.43 × 666,448.12
  4. Step 4: Simplify right side
    1,149,602.90x = 1,057,288,243,092.12
  5. Step 5: Solve for x
    x = 1,057,288,243,092.12/1,149,602.90
  6. Step 6: Final answer
    x = 919,698.66

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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.