Home / 1,203,687.70-1,804,000.65-492,912.70

Finding the Fourth Proportional to 1,203,687.70, 1,804,000.65 and 492,912.70

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Solution

The fourth proportional to 1,203,687.70, 1,804,000.65 and 492,912.70 is: 738,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,687.70 : 1,804,000.65 = 492,912.70 : x
  2. Step 2: Convert to fraction form
    1,203,687.70/1,804,000.65 = 492,912.70/x
  3. Step 3: Cross multiply
    1,203,687.70x = 1,804,000.65 × 492,912.70
  4. Step 4: Simplify right side
    1,203,687.70x = 889,214,831,193.26
  5. Step 5: Solve for x
    x = 889,214,831,193.26/1,203,687.70
  6. Step 6: Final answer
    x = 738,742.14

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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.