Home / 1,362,870.60-2,040,369.30-831,429.60

Finding the Fourth Proportional to 1,362,870.60, 2,040,369.30 and 831,429.60

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Solution

The fourth proportional to 1,362,870.60, 2,040,369.30 and 831,429.60 is: 1,244,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,870.60 : 2,040,369.30 = 831,429.60 : x
  2. Step 2: Convert to fraction form
    1,362,870.60/2,040,369.30 = 831,429.60/x
  3. Step 3: Cross multiply
    1,362,870.60x = 2,040,369.30 × 831,429.60
  4. Step 4: Simplify right side
    1,362,870.60x = 1,696,423,430,951.28
  5. Step 5: Solve for x
    x = 1,696,423,430,951.28/1,362,870.60
  6. Step 6: Final answer
    x = 1,244,742.85

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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.