Home / 1,105,998.72-1,659,464.64-657,576.24

Finding the Fourth Proportional to 1,105,998.72, 1,659,464.64 and 657,576.24

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Solution

The fourth proportional to 1,105,998.72, 1,659,464.64 and 657,576.24 is: 986,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,998.72 : 1,659,464.64 = 657,576.24 : x
  2. Step 2: Convert to fraction form
    1,105,998.72/1,659,464.64 = 657,576.24/x
  3. Step 3: Cross multiply
    1,105,998.72x = 1,659,464.64 × 657,576.24
  4. Step 4: Simplify right side
    1,105,998.72x = 1,091,224,518,384.15
  5. Step 5: Solve for x
    x = 1,091,224,518,384.15/1,105,998.72
  6. Step 6: Final answer
    x = 986,641.76

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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.