Home / 1,264,376.76-1,896,566.58-516,422.76

Finding the Fourth Proportional to 1,264,376.76, 1,896,566.58 and 516,422.76

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Solution

The fourth proportional to 1,264,376.76, 1,896,566.58 and 516,422.76 is: 774,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,376.76 : 1,896,566.58 = 516,422.76 : x
  2. Step 2: Convert to fraction form
    1,264,376.76/1,896,566.58 = 516,422.76/x
  3. Step 3: Cross multiply
    1,264,376.76x = 1,896,566.58 × 516,422.76
  4. Step 4: Simplify right side
    1,264,376.76x = 979,430,147,767.36
  5. Step 5: Solve for x
    x = 979,430,147,767.36/1,264,376.76
  6. Step 6: Final answer
    x = 774,634.73

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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.