Home / 1,214,598.60-1,821,897.90-1,123,360.20

Finding the Fourth Proportional to 1,214,598.60, 1,821,897.90 and 1,123,360.20

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Solution

The fourth proportional to 1,214,598.60, 1,821,897.90 and 1,123,360.20 is: 1,685,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,598.60 : 1,821,897.90 = 1,123,360.20 : x
  2. Step 2: Convert to fraction form
    1,214,598.60/1,821,897.90 = 1,123,360.20/x
  3. Step 3: Cross multiply
    1,214,598.60x = 1,821,897.90 × 1,123,360.20
  4. Step 4: Simplify right side
    1,214,598.60x = 2,046,647,589,323.58
  5. Step 5: Solve for x
    x = 2,046,647,589,323.58/1,214,598.60
  6. Step 6: Final answer
    x = 1,685,040.30

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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.