Home / 1,509,041.94-2,082,491.64-820,720.32

Finding the Fourth Proportional to 1,509,041.94, 2,082,491.64 and 820,720.32

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Solution

The fourth proportional to 1,509,041.94, 2,082,491.64 and 820,720.32 is: 1,132,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,041.94 : 2,082,491.64 = 820,720.32 : x
  2. Step 2: Convert to fraction form
    1,509,041.94/2,082,491.64 = 820,720.32/x
  3. Step 3: Cross multiply
    1,509,041.94x = 2,082,491.64 × 820,720.32
  4. Step 4: Simplify right side
    1,509,041.94x = 1,709,143,205,178.12
  5. Step 5: Solve for x
    x = 1,709,143,205,178.12/1,509,041.94
  6. Step 6: Final answer
    x = 1,132,601.53

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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.