Home / 1,138,872.82-1,708,664.61-340,185.88

Finding the Fourth Proportional to 1,138,872.82, 1,708,664.61 and 340,185.88

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Solution

The fourth proportional to 1,138,872.82, 1,708,664.61 and 340,185.88 is: 510,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,872.82 : 1,708,664.61 = 340,185.88 : x
  2. Step 2: Convert to fraction form
    1,138,872.82/1,708,664.61 = 340,185.88/x
  3. Step 3: Cross multiply
    1,138,872.82x = 1,708,664.61 × 340,185.88
  4. Step 4: Simplify right side
    1,138,872.82x = 581,263,573,977.71
  5. Step 5: Solve for x
    x = 581,263,573,977.71/1,138,872.82
  6. Step 6: Final answer
    x = 510,384.97

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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.