Home / 860,882.76-1,189,469.70-618,683.43

Finding the Fourth Proportional to 860,882.76, 1,189,469.70 and 618,683.43

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Solution

The fourth proportional to 860,882.76, 1,189,469.70 and 618,683.43 is: 854,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,882.76 : 1,189,469.70 = 618,683.43 : x
  2. Step 2: Convert to fraction form
    860,882.76/1,189,469.70 = 618,683.43/x
  3. Step 3: Cross multiply
    860,882.76x = 1,189,469.70 × 618,683.43
  4. Step 4: Simplify right side
    860,882.76x = 735,905,193,877.07
  5. Step 5: Solve for x
    x = 735,905,193,877.07/860,882.76
  6. Step 6: Final answer
    x = 854,826.26

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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.