Home / 1,264,313.20-1,896,471.72-516,359.20

Finding the Fourth Proportional to 1,264,313.20, 1,896,471.72 and 516,359.20

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Solution

The fourth proportional to 1,264,313.20, 1,896,471.72 and 516,359.20 is: 774,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,313.20 : 1,896,471.72 = 516,359.20 : x
  2. Step 2: Convert to fraction form
    1,264,313.20/1,896,471.72 = 516,359.20/x
  3. Step 3: Cross multiply
    1,264,313.20x = 1,896,471.72 × 516,359.20
  4. Step 4: Simplify right side
    1,264,313.20x = 979,260,620,161.82
  5. Step 5: Solve for x
    x = 979,260,620,161.82/1,264,313.20
  6. Step 6: Final answer
    x = 774,539.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.