Home / 1,515,804.80-2,271,732.64-616,195.72

Finding the Fourth Proportional to 1,515,804.80, 2,271,732.64 and 616,195.72

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Solution

The fourth proportional to 1,515,804.80, 2,271,732.64 and 616,195.72 is: 923,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,804.80 : 2,271,732.64 = 616,195.72 : x
  2. Step 2: Convert to fraction form
    1,515,804.80/2,271,732.64 = 616,195.72/x
  3. Step 3: Cross multiply
    1,515,804.80x = 2,271,732.64 × 616,195.72
  4. Step 4: Simplify right side
    1,515,804.80x = 1,399,831,929,752.30
  5. Step 5: Solve for x
    x = 1,399,831,929,752.30/1,515,804.80
  6. Step 6: Final answer
    x = 923,490.89

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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.