Home / 1,188,374.25-1,639,959.17-679,075.41

Finding the Fourth Proportional to 1,188,374.25, 1,639,959.17 and 679,075.41

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Solution

The fourth proportional to 1,188,374.25, 1,639,959.17 and 679,075.41 is: 937,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,374.25 : 1,639,959.17 = 679,075.41 : x
  2. Step 2: Convert to fraction form
    1,188,374.25/1,639,959.17 = 679,075.41/x
  3. Step 3: Cross multiply
    1,188,374.25x = 1,639,959.17 × 679,075.41
  4. Step 4: Simplify right side
    1,188,374.25x = 1,113,655,942,355.63
  5. Step 5: Solve for x
    x = 1,113,655,942,355.63/1,188,374.25
  6. Step 6: Final answer
    x = 937,125.61

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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.