Home / 1,509,282.43-2,082,856.47-821,004.37

Finding the Fourth Proportional to 1,509,282.43, 2,082,856.47 and 821,004.37

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Solution

The fourth proportional to 1,509,282.43, 2,082,856.47 and 821,004.37 is: 1,133,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,282.43 : 2,082,856.47 = 821,004.37 : x
  2. Step 2: Convert to fraction form
    1,509,282.43/2,082,856.47 = 821,004.37/x
  3. Step 3: Cross multiply
    1,509,282.43x = 2,082,856.47 × 821,004.37
  4. Step 4: Simplify right side
    1,509,282.43x = 1,710,034,253,538.49
  5. Step 5: Solve for x
    x = 1,710,034,253,538.49/1,509,282.43
  6. Step 6: Final answer
    x = 1,133,011.44

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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.