Home / 1,338,022.60-2,004,312.30-831,027.40

Finding the Fourth Proportional to 1,338,022.60, 2,004,312.30 and 831,027.40

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Solution

The fourth proportional to 1,338,022.60, 2,004,312.30 and 831,027.40 is: 1,244,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,022.60 : 2,004,312.30 = 831,027.40 : x
  2. Step 2: Convert to fraction form
    1,338,022.60/2,004,312.30 = 831,027.40/x
  3. Step 3: Cross multiply
    1,338,022.60x = 2,004,312.30 × 831,027.40
  4. Step 4: Simplify right side
    1,338,022.60x = 1,665,638,439,457.02
  5. Step 5: Solve for x
    x = 1,665,638,439,457.02/1,338,022.60
  6. Step 6: Final answer
    x = 1,244,850.75

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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.