Home / 1,197,542.54-1,796,339.34-429,090.45

Finding the Fourth Proportional to 1,197,542.54, 1,796,339.34 and 429,090.45

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Solution

The fourth proportional to 1,197,542.54, 1,796,339.34 and 429,090.45 is: 643,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,542.54 : 1,796,339.34 = 429,090.45 : x
  2. Step 2: Convert to fraction form
    1,197,542.54/1,796,339.34 = 429,090.45/x
  3. Step 3: Cross multiply
    1,197,542.54x = 1,796,339.34 × 429,090.45
  4. Step 4: Simplify right side
    1,197,542.54x = 770,792,055,753.30
  5. Step 5: Solve for x
    x = 770,792,055,753.30/1,197,542.54
  6. Step 6: Final answer
    x = 643,644.83

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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.