Home / 1,518,386.58-2,278,212.89-666,069.95

Finding the Fourth Proportional to 1,518,386.58, 2,278,212.89 and 666,069.95

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Solution

The fourth proportional to 1,518,386.58, 2,278,212.89 and 666,069.95 is: 999,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,386.58 : 2,278,212.89 = 666,069.95 : x
  2. Step 2: Convert to fraction form
    1,518,386.58/2,278,212.89 = 666,069.95/x
  3. Step 3: Cross multiply
    1,518,386.58x = 2,278,212.89 × 666,069.95
  4. Step 4: Simplify right side
    1,518,386.58x = 1,517,449,148,096.84
  5. Step 5: Solve for x
    x = 1,517,449,148,096.84/1,518,386.58
  6. Step 6: Final answer
    x = 999,382.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.