Home / 1,515,784.78-2,271,707.90-616,178.70

Finding the Fourth Proportional to 1,515,784.78, 2,271,707.90 and 616,178.70

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Solution

The fourth proportional to 1,515,784.78, 2,271,707.90 and 616,178.70 is: 923,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,784.78 : 2,271,707.90 = 616,178.70 : x
  2. Step 2: Convert to fraction form
    1,515,784.78/2,271,707.90 = 616,178.70/x
  3. Step 3: Cross multiply
    1,515,784.78x = 2,271,707.90 × 616,178.70
  4. Step 4: Simplify right side
    1,515,784.78x = 1,399,778,020,601.73
  5. Step 5: Solve for x
    x = 1,399,778,020,601.73/1,515,784.78
  6. Step 6: Final answer
    x = 923,467.53

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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.