Home / 860,740.32-1,188,141.41-739,394.63

Finding the Fourth Proportional to 860,740.32, 1,188,141.41 and 739,394.63

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Solution

The fourth proportional to 860,740.32, 1,188,141.41 and 739,394.63 is: 1,020,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,740.32 : 1,188,141.41 = 739,394.63 : x
  2. Step 2: Convert to fraction form
    860,740.32/1,188,141.41 = 739,394.63/x
  3. Step 3: Cross multiply
    860,740.32x = 1,188,141.41 × 739,394.63
  4. Step 4: Simplify right side
    860,740.32x = 878,505,378,597.94
  5. Step 5: Solve for x
    x = 878,505,378,597.94/860,740.32
  6. Step 6: Final answer
    x = 1,020,639.27

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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.