Home / 1,361,970.18-2,042,949.79-415,338.16

Finding the Fourth Proportional to 1,361,970.18, 2,042,949.79 and 415,338.16

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Solution

The fourth proportional to 1,361,970.18, 2,042,949.79 and 415,338.16 is: 623,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,970.18 : 2,042,949.79 = 415,338.16 : x
  2. Step 2: Convert to fraction form
    1,361,970.18/2,042,949.79 = 415,338.16/x
  3. Step 3: Cross multiply
    1,361,970.18x = 2,042,949.79 × 415,338.16
  4. Step 4: Simplify right side
    1,361,970.18x = 848,515,006,750.99
  5. Step 5: Solve for x
    x = 848,515,006,750.99/1,361,970.18
  6. Step 6: Final answer
    x = 623,005.57

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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.