Home / 1,431,850.32-1,975,900.32-787,232.16

Finding the Fourth Proportional to 1,431,850.32, 1,975,900.32 and 787,232.16

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Solution

The fourth proportional to 1,431,850.32, 1,975,900.32 and 787,232.16 is: 1,086,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,850.32 : 1,975,900.32 = 787,232.16 : x
  2. Step 2: Convert to fraction form
    1,431,850.32/1,975,900.32 = 787,232.16/x
  3. Step 3: Cross multiply
    1,431,850.32x = 1,975,900.32 × 787,232.16
  4. Step 4: Simplify right side
    1,431,850.32x = 1,555,492,276,858.29
  5. Step 5: Solve for x
    x = 1,555,492,276,858.29/1,431,850.32
  6. Step 6: Final answer
    x = 1,086,351.17

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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.