Home / 1,089,108.23-1,503,641.78-702,061.17

Finding the Fourth Proportional to 1,089,108.23, 1,503,641.78 and 702,061.17

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Solution

The fourth proportional to 1,089,108.23, 1,503,641.78 and 702,061.17 is: 969,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,108.23 : 1,503,641.78 = 702,061.17 : x
  2. Step 2: Convert to fraction form
    1,089,108.23/1,503,641.78 = 702,061.17/x
  3. Step 3: Cross multiply
    1,089,108.23x = 1,503,641.78 × 702,061.17
  4. Step 4: Simplify right side
    1,089,108.23x = 1,055,648,509,269.43
  5. Step 5: Solve for x
    x = 1,055,648,509,269.43/1,089,108.23
  6. Step 6: Final answer
    x = 969,277.87

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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.