Home / 1,319,315.45-1,820,735.82-738,527.22

Finding the Fourth Proportional to 1,319,315.45, 1,820,735.82 and 738,527.22

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Solution

The fourth proportional to 1,319,315.45, 1,820,735.82 and 738,527.22 is: 1,019,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,315.45 : 1,820,735.82 = 738,527.22 : x
  2. Step 2: Convert to fraction form
    1,319,315.45/1,820,735.82 = 738,527.22/x
  3. Step 3: Cross multiply
    1,319,315.45x = 1,820,735.82 × 738,527.22
  4. Step 4: Simplify right side
    1,319,315.45x = 1,344,662,963,499.02
  5. Step 5: Solve for x
    x = 1,344,662,963,499.02/1,319,315.45
  6. Step 6: Final answer
    x = 1,019,212.63

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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.