Home / 851,984.60-1,280,601.30-804,745.40

Finding the Fourth Proportional to 851,984.60, 1,280,601.30 and 804,745.40

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Solution

The fourth proportional to 851,984.60, 1,280,601.30 and 804,745.40 is: 1,209,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,984.60 : 1,280,601.30 = 804,745.40 : x
  2. Step 2: Convert to fraction form
    851,984.60/1,280,601.30 = 804,745.40/x
  3. Step 3: Cross multiply
    851,984.60x = 1,280,601.30 × 804,745.40
  4. Step 4: Simplify right side
    851,984.60x = 1,030,558,005,409.02
  5. Step 5: Solve for x
    x = 1,030,558,005,409.02/851,984.60
  6. Step 6: Final answer
    x = 1,209,596.99

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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.