Home / 1,151,934.60-1,589,670.42-642,636.96

Finding the Fourth Proportional to 1,151,934.60, 1,589,670.42 and 642,636.96

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Solution

The fourth proportional to 1,151,934.60, 1,589,670.42 and 642,636.96 is: 886,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,934.60 : 1,589,670.42 = 642,636.96 : x
  2. Step 2: Convert to fraction form
    1,151,934.60/1,589,670.42 = 642,636.96/x
  3. Step 3: Cross multiply
    1,151,934.60x = 1,589,670.42 × 642,636.96
  4. Step 4: Simplify right side
    1,151,934.60x = 1,021,580,966,110.72
  5. Step 5: Solve for x
    x = 1,021,580,966,110.72/1,151,934.60
  6. Step 6: Final answer
    x = 886,839.38

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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.