Home / 1,384,500.09-1,910,705.96-772,771.89

Finding the Fourth Proportional to 1,384,500.09, 1,910,705.96 and 772,771.89

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Solution

The fourth proportional to 1,384,500.09, 1,910,705.96 and 772,771.89 is: 1,066,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,500.09 : 1,910,705.96 = 772,771.89 : x
  2. Step 2: Convert to fraction form
    1,384,500.09/1,910,705.96 = 772,771.89/x
  3. Step 3: Cross multiply
    1,384,500.09x = 1,910,705.96 × 772,771.89
  4. Step 4: Simplify right side
    1,384,500.09x = 1,476,539,865,040.54
  5. Step 5: Solve for x
    x = 1,476,539,865,040.54/1,384,500.09
  6. Step 6: Final answer
    x = 1,066,478.70

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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.