Home / 1,362,578.62-1,880,401.13-781,908.08

Finding the Fourth Proportional to 1,362,578.62, 1,880,401.13 and 781,908.08

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Solution

The fourth proportional to 1,362,578.62, 1,880,401.13 and 781,908.08 is: 1,079,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,578.62 : 1,880,401.13 = 781,908.08 : x
  2. Step 2: Convert to fraction form
    1,362,578.62/1,880,401.13 = 781,908.08/x
  3. Step 3: Cross multiply
    1,362,578.62x = 1,880,401.13 × 781,908.08
  4. Step 4: Simplify right side
    1,362,578.62x = 1,470,300,833,278.59
  5. Step 5: Solve for x
    x = 1,470,300,833,278.59/1,362,578.62
  6. Step 6: Final answer
    x = 1,079,057.61

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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.