Home / 1,347,195.20-2,020,792.80-1,223,192.30

Finding the Fourth Proportional to 1,347,195.20, 2,020,792.80 and 1,223,192.30

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Solution

The fourth proportional to 1,347,195.20, 2,020,792.80 and 1,223,192.30 is: 1,834,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,195.20 : 2,020,792.80 = 1,223,192.30 : x
  2. Step 2: Convert to fraction form
    1,347,195.20/2,020,792.80 = 1,223,192.30/x
  3. Step 3: Cross multiply
    1,347,195.20x = 2,020,792.80 × 1,223,192.30
  4. Step 4: Simplify right side
    1,347,195.20x = 2,471,818,192,855.44
  5. Step 5: Solve for x
    x = 2,471,818,192,855.44/1,347,195.20
  6. Step 6: Final answer
    x = 1,834,788.45

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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.