Home / 1,604,469.42-2,214,185.27-879,301.68

Finding the Fourth Proportional to 1,604,469.42, 2,214,185.27 and 879,301.68

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Solution

The fourth proportional to 1,604,469.42, 2,214,185.27 and 879,301.68 is: 1,213,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,469.42 : 2,214,185.27 = 879,301.68 : x
  2. Step 2: Convert to fraction form
    1,604,469.42/2,214,185.27 = 879,301.68/x
  3. Step 3: Cross multiply
    1,604,469.42x = 2,214,185.27 × 879,301.68
  4. Step 4: Simplify right side
    1,604,469.42x = 1,946,936,823,345.75
  5. Step 5: Solve for x
    x = 1,946,936,823,345.75/1,604,469.42
  6. Step 6: Final answer
    x = 1,213,445.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.