Home / 1,519,021.35-2,279,030.85-621,218.16

Finding the Fourth Proportional to 1,519,021.35, 2,279,030.85 and 621,218.16

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Solution

The fourth proportional to 1,519,021.35, 2,279,030.85 and 621,218.16 is: 932,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,021.35 : 2,279,030.85 = 621,218.16 : x
  2. Step 2: Convert to fraction form
    1,519,021.35/2,279,030.85 = 621,218.16/x
  3. Step 3: Cross multiply
    1,519,021.35x = 2,279,030.85 × 621,218.16
  4. Step 4: Simplify right side
    1,519,021.35x = 1,415,775,351,220.24
  5. Step 5: Solve for x
    x = 1,415,775,351,220.24/1,519,021.35
  6. Step 6: Final answer
    x = 932,031.24

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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.