Home / 1,102,581.12-1,520,766.72-1,012,224

Finding the Fourth Proportional to 1,102,581.12, 1,520,766.72 and 1,012,224

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Solution

The fourth proportional to 1,102,581.12, 1,520,766.72 and 1,012,224 is: 1,396,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,581.12 : 1,520,766.72 = 1,012,224 : x
  2. Step 2: Convert to fraction form
    1,102,581.12/1,520,766.72 = 1,012,224/x
  3. Step 3: Cross multiply
    1,102,581.12x = 1,520,766.72 × 1,012,224
  4. Step 4: Simplify right side
    1,102,581.12x = 1,539,356,572,385.28
  5. Step 5: Solve for x
    x = 1,539,356,572,385.28/1,102,581.12
  6. Step 6: Final answer
    x = 1,396,139.06

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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.