Home / 789,531.40-1,180,841.10-705,896.20

Finding the Fourth Proportional to 789,531.40, 1,180,841.10 and 705,896.20

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Solution

The fourth proportional to 789,531.40, 1,180,841.10 and 705,896.20 is: 1,055,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,531.40 : 1,180,841.10 = 705,896.20 : x
  2. Step 2: Convert to fraction form
    789,531.40/1,180,841.10 = 705,896.20/x
  3. Step 3: Cross multiply
    789,531.40x = 1,180,841.10 × 705,896.20
  4. Step 4: Simplify right side
    789,531.40x = 833,551,245,293.82
  5. Step 5: Solve for x
    x = 833,551,245,293.82/789,531.40
  6. Step 6: Final answer
    x = 1,055,754.39

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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.