Home / 842,914.10-1,264,371.15-837,665.30

Finding the Fourth Proportional to 842,914.10, 1,264,371.15 and 837,665.30

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Solution

The fourth proportional to 842,914.10, 1,264,371.15 and 837,665.30 is: 1,256,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,914.10 : 1,264,371.15 = 837,665.30 : x
  2. Step 2: Convert to fraction form
    842,914.10/1,264,371.15 = 837,665.30/x
  3. Step 3: Cross multiply
    842,914.10x = 1,264,371.15 × 837,665.30
  4. Step 4: Simplify right side
    842,914.10x = 1,059,119,838,676.10
  5. Step 5: Solve for x
    x = 1,059,119,838,676.10/842,914.10
  6. Step 6: Final answer
    x = 1,256,497.95

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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.