Home / 1,337,433.40-1,845,657.87-764,485.87

Finding the Fourth Proportional to 1,337,433.40, 1,845,657.87 and 764,485.87

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Solution

The fourth proportional to 1,337,433.40, 1,845,657.87 and 764,485.87 is: 1,054,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,433.40 : 1,845,657.87 = 764,485.87 : x
  2. Step 2: Convert to fraction form
    1,337,433.40/1,845,657.87 = 764,485.87/x
  3. Step 3: Cross multiply
    1,337,433.40x = 1,845,657.87 × 764,485.87
  4. Step 4: Simplify right side
    1,337,433.40x = 1,410,979,362,469.30
  5. Step 5: Solve for x
    x = 1,410,979,362,469.30/1,337,433.40
  6. Step 6: Final answer
    x = 1,054,990.37

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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.