Home / 1,272,840.28-1,910,091.58-474,760.24

Finding the Fourth Proportional to 1,272,840.28, 1,910,091.58 and 474,760.24

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Solution

The fourth proportional to 1,272,840.28, 1,910,091.58 and 474,760.24 is: 712,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,840.28 : 1,910,091.58 = 474,760.24 : x
  2. Step 2: Convert to fraction form
    1,272,840.28/1,910,091.58 = 474,760.24/x
  3. Step 3: Cross multiply
    1,272,840.28x = 1,910,091.58 × 474,760.24
  4. Step 4: Simplify right side
    1,272,840.28x = 906,835,530,980.65
  5. Step 5: Solve for x
    x = 906,835,530,980.65/1,272,840.28
  6. Step 6: Final answer
    x = 712,450.37

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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.