Home / 1,011,059.74-1,394,621.66-768,811.22

Finding the Fourth Proportional to 1,011,059.74, 1,394,621.66 and 768,811.22

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Solution

The fourth proportional to 1,011,059.74, 1,394,621.66 and 768,811.22 is: 1,060,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,059.74 : 1,394,621.66 = 768,811.22 : x
  2. Step 2: Convert to fraction form
    1,011,059.74/1,394,621.66 = 768,811.22/x
  3. Step 3: Cross multiply
    1,011,059.74x = 1,394,621.66 × 768,811.22
  4. Step 4: Simplify right side
    1,011,059.74x = 1,072,200,779,863.03
  5. Step 5: Solve for x
    x = 1,072,200,779,863.03/1,011,059.74
  6. Step 6: Final answer
    x = 1,060,472.23

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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.