Home / 1,151,215.22-1,588,829.63-667,680.45

Finding the Fourth Proportional to 1,151,215.22, 1,588,829.63 and 667,680.45

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Solution

The fourth proportional to 1,151,215.22, 1,588,829.63 and 667,680.45 is: 921,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,215.22 : 1,588,829.63 = 667,680.45 : x
  2. Step 2: Convert to fraction form
    1,151,215.22/1,588,829.63 = 667,680.45/x
  3. Step 3: Cross multiply
    1,151,215.22x = 1,588,829.63 × 667,680.45
  4. Step 4: Simplify right side
    1,151,215.22x = 1,060,830,478,993.33
  5. Step 5: Solve for x
    x = 1,060,830,478,993.33/1,151,215.22
  6. Step 6: Final answer
    x = 921,487.54

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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.