Home / 1,812,822.88-2,719,411.86-660,382.62

Finding the Fourth Proportional to 1,812,822.88, 2,719,411.86 and 660,382.62

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Solution

The fourth proportional to 1,812,822.88, 2,719,411.86 and 660,382.62 is: 990,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,822.88 : 2,719,411.86 = 660,382.62 : x
  2. Step 2: Convert to fraction form
    1,812,822.88/2,719,411.86 = 660,382.62/x
  3. Step 3: Cross multiply
    1,812,822.88x = 2,719,411.86 × 660,382.62
  4. Step 4: Simplify right side
    1,812,822.88x = 1,795,852,327,314.92
  5. Step 5: Solve for x
    x = 1,795,852,327,314.92/1,812,822.88
  6. Step 6: Final answer
    x = 990,638.61

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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.