Home / 792,341.20-1,188,511.80-723,912.40

Finding the Fourth Proportional to 792,341.20, 1,188,511.80 and 723,912.40

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Solution

The fourth proportional to 792,341.20, 1,188,511.80 and 723,912.40 is: 1,085,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,341.20 : 1,188,511.80 = 723,912.40 : x
  2. Step 2: Convert to fraction form
    792,341.20/1,188,511.80 = 723,912.40/x
  3. Step 3: Cross multiply
    792,341.20x = 1,188,511.80 × 723,912.40
  4. Step 4: Simplify right side
    792,341.20x = 860,378,429,566.32
  5. Step 5: Solve for x
    x = 860,378,429,566.32/792,341.20
  6. Step 6: Final answer
    x = 1,085,868.60

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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.