Home / 1,309,743.37-1,964,942.04-456,827.28

Finding the Fourth Proportional to 1,309,743.37, 1,964,942.04 and 456,827.28

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Solution

The fourth proportional to 1,309,743.37, 1,964,942.04 and 456,827.28 is: 685,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,743.37 : 1,964,942.04 = 456,827.28 : x
  2. Step 2: Convert to fraction form
    1,309,743.37/1,964,942.04 = 456,827.28/x
  3. Step 3: Cross multiply
    1,309,743.37x = 1,964,942.04 × 456,827.28
  4. Step 4: Simplify right side
    1,309,743.37x = 897,639,121,835.42
  5. Step 5: Solve for x
    x = 897,639,121,835.42/1,309,743.37
  6. Step 6: Final answer
    x = 685,354.96

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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.