Home / 1,214,076.30-1,821,114.45-1,162,244.40

Finding the Fourth Proportional to 1,214,076.30, 1,821,114.45 and 1,162,244.40

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Solution

The fourth proportional to 1,214,076.30, 1,821,114.45 and 1,162,244.40 is: 1,743,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,076.30 : 1,821,114.45 = 1,162,244.40 : x
  2. Step 2: Convert to fraction form
    1,214,076.30/1,821,114.45 = 1,162,244.40/x
  3. Step 3: Cross multiply
    1,214,076.30x = 1,821,114.45 × 1,162,244.40
  4. Step 4: Simplify right side
    1,214,076.30x = 2,116,580,071,271.58
  5. Step 5: Solve for x
    x = 2,116,580,071,271.58/1,214,076.30
  6. Step 6: Final answer
    x = 1,743,366.60

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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.