Home / 1,278,497.61-1,764,337.02-697,725.33

Finding the Fourth Proportional to 1,278,497.61, 1,764,337.02 and 697,725.33

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Solution

The fourth proportional to 1,278,497.61, 1,764,337.02 and 697,725.33 is: 962,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,497.61 : 1,764,337.02 = 697,725.33 : x
  2. Step 2: Convert to fraction form
    1,278,497.61/1,764,337.02 = 697,725.33/x
  3. Step 3: Cross multiply
    1,278,497.61x = 1,764,337.02 × 697,725.33
  4. Step 4: Simplify right side
    1,278,497.61x = 1,231,022,629,510.72
  5. Step 5: Solve for x
    x = 1,231,022,629,510.72/1,278,497.61
  6. Step 6: Final answer
    x = 962,866.59

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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.