Home / 1,281,070.37-1,921,804.82-427,877.93

Finding the Fourth Proportional to 1,281,070.37, 1,921,804.82 and 427,877.93

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Solution

The fourth proportional to 1,281,070.37, 1,921,804.82 and 427,877.93 is: 641,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,070.37 : 1,921,804.82 = 427,877.93 : x
  2. Step 2: Convert to fraction form
    1,281,070.37/1,921,804.82 = 427,877.93/x
  3. Step 3: Cross multiply
    1,281,070.37x = 1,921,804.82 × 427,877.93
  4. Step 4: Simplify right side
    1,281,070.37x = 822,297,856,497.21
  5. Step 5: Solve for x
    x = 822,297,856,497.21/1,281,070.37
  6. Step 6: Final answer
    x = 641,883.44

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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.