Home / 1,011,052.74-1,394,612.01-768,804.21

Finding the Fourth Proportional to 1,011,052.74, 1,394,612.01 and 768,804.21

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Solution

The fourth proportional to 1,011,052.74, 1,394,612.01 and 768,804.21 is: 1,060,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,052.74 : 1,394,612.01 = 768,804.21 : x
  2. Step 2: Convert to fraction form
    1,011,052.74/1,394,612.01 = 768,804.21/x
  3. Step 3: Cross multiply
    1,011,052.74x = 1,394,612.01 × 768,804.21
  4. Step 4: Simplify right side
    1,011,052.74x = 1,072,183,584,604.56
  5. Step 5: Solve for x
    x = 1,072,183,584,604.56/1,011,052.74
  6. Step 6: Final answer
    x = 1,060,462.57

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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.