Home / 1,429,576.94-2,139,005.63-851,084.26

Finding the Fourth Proportional to 1,429,576.94, 2,139,005.63 and 851,084.26

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Solution

The fourth proportional to 1,429,576.94, 2,139,005.63 and 851,084.26 is: 1,273,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,576.94 : 2,139,005.63 = 851,084.26 : x
  2. Step 2: Convert to fraction form
    1,429,576.94/2,139,005.63 = 851,084.26/x
  3. Step 3: Cross multiply
    1,429,576.94x = 2,139,005.63 × 851,084.26
  4. Step 4: Simplify right side
    1,429,576.94x = 1,820,474,013,049.36
  5. Step 5: Solve for x
    x = 1,820,474,013,049.36/1,429,576.94
  6. Step 6: Final answer
    x = 1,273,435.50

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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.