Home / 1,441,172.70-1,988,615.14-820,994.18

Finding the Fourth Proportional to 1,441,172.70, 1,988,615.14 and 820,994.18

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Solution

The fourth proportional to 1,441,172.70, 1,988,615.14 and 820,994.18 is: 1,132,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,172.70 : 1,988,615.14 = 820,994.18 : x
  2. Step 2: Convert to fraction form
    1,441,172.70/1,988,615.14 = 820,994.18/x
  3. Step 3: Cross multiply
    1,441,172.70x = 1,988,615.14 × 820,994.18
  4. Step 4: Simplify right side
    1,441,172.70x = 1,632,641,444,204.32
  5. Step 5: Solve for x
    x = 1,632,641,444,204.32/1,441,172.70
  6. Step 6: Final answer
    x = 1,132,856.21

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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.