Home / 1,476,516.76-2,037,655.88-823,142.64

Finding the Fourth Proportional to 1,476,516.76, 2,037,655.88 and 823,142.64

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Solution

The fourth proportional to 1,476,516.76, 2,037,655.88 and 823,142.64 is: 1,135,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,516.76 : 2,037,655.88 = 823,142.64 : x
  2. Step 2: Convert to fraction form
    1,476,516.76/2,037,655.88 = 823,142.64/x
  3. Step 3: Cross multiply
    1,476,516.76x = 2,037,655.88 × 823,142.64
  4. Step 4: Simplify right side
    1,476,516.76x = 1,677,281,440,474.72
  5. Step 5: Solve for x
    x = 1,677,281,440,474.72/1,476,516.76
  6. Step 6: Final answer
    x = 1,135,971.83

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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.