Home / 1,429,576.28-2,139,004.64-851,083.60

Finding the Fourth Proportional to 1,429,576.28, 2,139,004.64 and 851,083.60

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Solution

The fourth proportional to 1,429,576.28, 2,139,004.64 and 851,083.60 is: 1,273,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,576.28 : 2,139,004.64 = 851,083.60 : x
  2. Step 2: Convert to fraction form
    1,429,576.28/2,139,004.64 = 851,083.60/x
  3. Step 3: Cross multiply
    1,429,576.28x = 2,139,004.64 × 851,083.60
  4. Step 4: Simplify right side
    1,429,576.28x = 1,820,471,761,809.11
  5. Step 5: Solve for x
    x = 1,820,471,761,809.11/1,429,576.28
  6. Step 6: Final answer
    x = 1,273,434.50

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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.