Home / 912,967.09-1,259,668.22-590,288.91

Finding the Fourth Proportional to 912,967.09, 1,259,668.22 and 590,288.91

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Solution

The fourth proportional to 912,967.09, 1,259,668.22 and 590,288.91 is: 814,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,967.09 : 1,259,668.22 = 590,288.91 : x
  2. Step 2: Convert to fraction form
    912,967.09/1,259,668.22 = 590,288.91/x
  3. Step 3: Cross multiply
    912,967.09x = 1,259,668.22 × 590,288.91
  4. Step 4: Simplify right side
    912,967.09x = 743,568,182,021.16
  5. Step 5: Solve for x
    x = 743,568,182,021.16/912,967.09
  6. Step 6: Final answer
    x = 814,452.34

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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.