Home / 1,093,365.70-1,638,512.55-869,109.70

Finding the Fourth Proportional to 1,093,365.70, 1,638,512.55 and 869,109.70

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Solution

The fourth proportional to 1,093,365.70, 1,638,512.55 and 869,109.70 is: 1,302,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,365.70 : 1,638,512.55 = 869,109.70 : x
  2. Step 2: Convert to fraction form
    1,093,365.70/1,638,512.55 = 869,109.70/x
  3. Step 3: Cross multiply
    1,093,365.70x = 1,638,512.55 × 869,109.70
  4. Step 4: Simplify right side
    1,093,365.70x = 1,424,047,150,776.74
  5. Step 5: Solve for x
    x = 1,424,047,150,776.74/1,093,365.70
  6. Step 6: Final answer
    x = 1,302,443.59

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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.