Home / 1,012,636.30-1,518,954.45-996,889.90

Finding the Fourth Proportional to 1,012,636.30, 1,518,954.45 and 996,889.90

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Solution

The fourth proportional to 1,012,636.30, 1,518,954.45 and 996,889.90 is: 1,495,334.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,636.30 : 1,518,954.45 = 996,889.90 : x
  2. Step 2: Convert to fraction form
    1,012,636.30/1,518,954.45 = 996,889.90/x
  3. Step 3: Cross multiply
    1,012,636.30x = 1,518,954.45 × 996,889.90
  4. Step 4: Simplify right side
    1,012,636.30x = 1,514,230,349,765.06
  5. Step 5: Solve for x
    x = 1,514,230,349,765.06/1,012,636.30
  6. Step 6: Final answer
    x = 1,495,334.85

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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.