Home / 1,465,076.85-2,021,709.82-820,349.25

Finding the Fourth Proportional to 1,465,076.85, 2,021,709.82 and 820,349.25

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Solution

The fourth proportional to 1,465,076.85, 2,021,709.82 and 820,349.25 is: 1,132,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,076.85 : 2,021,709.82 = 820,349.25 : x
  2. Step 2: Convert to fraction form
    1,465,076.85/2,021,709.82 = 820,349.25/x
  3. Step 3: Cross multiply
    1,465,076.85x = 2,021,709.82 × 820,349.25
  4. Step 4: Simplify right side
    1,465,076.85x = 1,658,508,134,554.64
  5. Step 5: Solve for x
    x = 1,658,508,134,554.64/1,465,076.85
  6. Step 6: Final answer
    x = 1,132,028.08

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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.