Home / 1,418,186.50-2,126,086.53-659,642.56

Finding the Fourth Proportional to 1,418,186.50, 2,126,086.53 and 659,642.56

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Solution

The fourth proportional to 1,418,186.50, 2,126,086.53 and 659,642.56 is: 988,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,186.50 : 2,126,086.53 = 659,642.56 : x
  2. Step 2: Convert to fraction form
    1,418,186.50/2,126,086.53 = 659,642.56/x
  3. Step 3: Cross multiply
    1,418,186.50x = 2,126,086.53 × 659,642.56
  4. Step 4: Simplify right side
    1,418,186.50x = 1,402,457,161,430.72
  5. Step 5: Solve for x
    x = 1,402,457,161,430.72/1,418,186.50
  6. Step 6: Final answer
    x = 988,908.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.