Home / 1,011,073.73-1,394,641.08-768,825.23

Finding the Fourth Proportional to 1,011,073.73, 1,394,641.08 and 768,825.23

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Solution

The fourth proportional to 1,011,073.73, 1,394,641.08 and 768,825.23 is: 1,060,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,073.73 : 1,394,641.08 = 768,825.23 : x
  2. Step 2: Convert to fraction form
    1,011,073.73/1,394,641.08 = 768,825.23/x
  3. Step 3: Cross multiply
    1,011,073.73x = 1,394,641.08 × 768,825.23
  4. Step 4: Simplify right side
    1,011,073.73x = 1,072,235,242,125.24
  5. Step 5: Solve for x
    x = 1,072,235,242,125.24/1,011,073.73
  6. Step 6: Final answer
    x = 1,060,491.65

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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.