Home / 1,942,711.04-2,680,960.78-1,071,582.97

Finding the Fourth Proportional to 1,942,711.04, 2,680,960.78 and 1,071,582.97

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Solution

The fourth proportional to 1,942,711.04, 2,680,960.78 and 1,071,582.97 is: 1,478,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,711.04 : 2,680,960.78 = 1,071,582.97 : x
  2. Step 2: Convert to fraction form
    1,942,711.04/2,680,960.78 = 1,071,582.97/x
  3. Step 3: Cross multiply
    1,942,711.04x = 2,680,960.78 × 1,071,582.97
  4. Step 4: Simplify right side
    1,942,711.04x = 2,872,871,914,749.80
  5. Step 5: Solve for x
    x = 2,872,871,914,749.80/1,942,711.04
  6. Step 6: Final answer
    x = 1,478,795.28

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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.