Home / 1,081,085.16-1,492,027.30-628,376.20

Finding the Fourth Proportional to 1,081,085.16, 1,492,027.30 and 628,376.20

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Solution

The fourth proportional to 1,081,085.16, 1,492,027.30 and 628,376.20 is: 867,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,085.16 : 1,492,027.30 = 628,376.20 : x
  2. Step 2: Convert to fraction form
    1,081,085.16/1,492,027.30 = 628,376.20/x
  3. Step 3: Cross multiply
    1,081,085.16x = 1,492,027.30 × 628,376.20
  4. Step 4: Simplify right side
    1,081,085.16x = 937,554,445,070.26
  5. Step 5: Solve for x
    x = 937,554,445,070.26/1,081,085.16
  6. Step 6: Final answer
    x = 867,234.59

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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.