Home / 1,432,236.04-1,976,509.82-820,442.29

Finding the Fourth Proportional to 1,432,236.04, 1,976,509.82 and 820,442.29

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Solution

The fourth proportional to 1,432,236.04, 1,976,509.82 and 820,442.29 is: 1,132,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,236.04 : 1,976,509.82 = 820,442.29 : x
  2. Step 2: Convert to fraction form
    1,432,236.04/1,976,509.82 = 820,442.29/x
  3. Step 3: Cross multiply
    1,432,236.04x = 1,976,509.82 × 820,442.29
  4. Step 4: Simplify right side
    1,432,236.04x = 1,621,612,242,928.29
  5. Step 5: Solve for x
    x = 1,621,612,242,928.29/1,432,236.04
  6. Step 6: Final answer
    x = 1,132,224.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.