Home / 1,219,096.80-1,828,702.80-378,237.60

Finding the Fourth Proportional to 1,219,096.80, 1,828,702.80 and 378,237.60

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Solution

The fourth proportional to 1,219,096.80, 1,828,702.80 and 378,237.60 is: 567,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,096.80 : 1,828,702.80 = 378,237.60 : x
  2. Step 2: Convert to fraction form
    1,219,096.80/1,828,702.80 = 378,237.60/x
  3. Step 3: Cross multiply
    1,219,096.80x = 1,828,702.80 × 378,237.60
  4. Step 4: Simplify right side
    1,219,096.80x = 691,684,158,185.28
  5. Step 5: Solve for x
    x = 691,684,158,185.28/1,219,096.80
  6. Step 6: Final answer
    x = 567,374.27

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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.