Home / 1,015,738.91-1,401,689.32-556,837.80

Finding the Fourth Proportional to 1,015,738.91, 1,401,689.32 and 556,837.80

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Solution

The fourth proportional to 1,015,738.91, 1,401,689.32 and 556,837.80 is: 768,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,738.91 : 1,401,689.32 = 556,837.80 : x
  2. Step 2: Convert to fraction form
    1,015,738.91/1,401,689.32 = 556,837.80/x
  3. Step 3: Cross multiply
    1,015,738.91x = 1,401,689.32 × 556,837.80
  4. Step 4: Simplify right side
    1,015,738.91x = 780,513,601,600.58
  5. Step 5: Solve for x
    x = 780,513,601,600.58/1,015,738.91
  6. Step 6: Final answer
    x = 768,419.51

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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.