Home / 1,221,353.20-1,832,029.80-1,097,350.30

Finding the Fourth Proportional to 1,221,353.20, 1,832,029.80 and 1,097,350.30

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Solution

The fourth proportional to 1,221,353.20, 1,832,029.80 and 1,097,350.30 is: 1,646,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,353.20 : 1,832,029.80 = 1,097,350.30 : x
  2. Step 2: Convert to fraction form
    1,221,353.20/1,832,029.80 = 1,097,350.30/x
  3. Step 3: Cross multiply
    1,221,353.20x = 1,832,029.80 × 1,097,350.30
  4. Step 4: Simplify right side
    1,221,353.20x = 2,010,378,450,638.94
  5. Step 5: Solve for x
    x = 2,010,378,450,638.94/1,221,353.20
  6. Step 6: Final answer
    x = 1,646,025.45

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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.