Home / 1,509,040.94-2,082,490.26-820,719.32

Finding the Fourth Proportional to 1,509,040.94, 2,082,490.26 and 820,719.32

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Solution

The fourth proportional to 1,509,040.94, 2,082,490.26 and 820,719.32 is: 1,132,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,040.94 : 2,082,490.26 = 820,719.32 : x
  2. Step 2: Convert to fraction form
    1,509,040.94/2,082,490.26 = 820,719.32/x
  3. Step 3: Cross multiply
    1,509,040.94x = 2,082,490.26 × 820,719.32
  4. Step 4: Simplify right side
    1,509,040.94x = 1,709,139,990,093.82
  5. Step 5: Solve for x
    x = 1,709,139,990,093.82/1,509,040.94
  6. Step 6: Final answer
    x = 1,132,600.15

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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.