Home / 1,237,667.63-1,857,034.88-669,448.79

Finding the Fourth Proportional to 1,237,667.63, 1,857,034.88 and 669,448.79

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Solution

The fourth proportional to 1,237,667.63, 1,857,034.88 and 669,448.79 is: 1,004,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,667.63 : 1,857,034.88 = 669,448.79 : x
  2. Step 2: Convert to fraction form
    1,237,667.63/1,857,034.88 = 669,448.79/x
  3. Step 3: Cross multiply
    1,237,667.63x = 1,857,034.88 × 669,448.79
  4. Step 4: Simplify right side
    1,237,667.63x = 1,243,189,740,771.38
  5. Step 5: Solve for x
    x = 1,243,189,740,771.38/1,237,667.63
  6. Step 6: Final answer
    x = 1,004,461.71

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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.