Home / 1,787,880.88-2,681,762.09-777,003.92

Finding the Fourth Proportional to 1,787,880.88, 2,681,762.09 and 777,003.92

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Solution

The fourth proportional to 1,787,880.88, 2,681,762.09 and 777,003.92 is: 1,165,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,880.88 : 2,681,762.09 = 777,003.92 : x
  2. Step 2: Convert to fraction form
    1,787,880.88/2,681,762.09 = 777,003.92/x
  3. Step 3: Cross multiply
    1,787,880.88x = 2,681,762.09 × 777,003.92
  4. Step 4: Simplify right side
    1,787,880.88x = 2,083,739,639,143.56
  5. Step 5: Solve for x
    x = 2,083,739,639,143.56/1,787,880.88
  6. Step 6: Final answer
    x = 1,165,480.13

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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.