Home / 1,052,423.36-1,451,028.32-878,244.51

Finding the Fourth Proportional to 1,052,423.36, 1,451,028.32 and 878,244.51

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Solution

The fourth proportional to 1,052,423.36, 1,451,028.32 and 878,244.51 is: 1,210,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,423.36 : 1,451,028.32 = 878,244.51 : x
  2. Step 2: Convert to fraction form
    1,052,423.36/1,451,028.32 = 878,244.51/x
  3. Step 3: Cross multiply
    1,052,423.36x = 1,451,028.32 × 878,244.51
  4. Step 4: Simplify right side
    1,052,423.36x = 1,274,357,652,076.04
  5. Step 5: Solve for x
    x = 1,274,357,652,076.04/1,052,423.36
  6. Step 6: Final answer
    x = 1,210,879.29

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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.