Home / 1,218,125.84-1,680,975.78-701,880.71

Finding the Fourth Proportional to 1,218,125.84, 1,680,975.78 and 701,880.71

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Solution

The fourth proportional to 1,218,125.84, 1,680,975.78 and 701,880.71 is: 968,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,125.84 : 1,680,975.78 = 701,880.71 : x
  2. Step 2: Convert to fraction form
    1,218,125.84/1,680,975.78 = 701,880.71/x
  3. Step 3: Cross multiply
    1,218,125.84x = 1,680,975.78 × 701,880.71
  4. Step 4: Simplify right side
    1,218,125.84x = 1,179,844,473,959.20
  5. Step 5: Solve for x
    x = 1,179,844,473,959.20/1,218,125.84
  6. Step 6: Final answer
    x = 968,573.55

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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.