Home / 917,069.40-1,375,604.10-831,448.35

Finding the Fourth Proportional to 917,069.40, 1,375,604.10 and 831,448.35

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Solution

The fourth proportional to 917,069.40, 1,375,604.10 and 831,448.35 is: 1,247,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,069.40 : 1,375,604.10 = 831,448.35 : x
  2. Step 2: Convert to fraction form
    917,069.40/1,375,604.10 = 831,448.35/x
  3. Step 3: Cross multiply
    917,069.40x = 1,375,604.10 × 831,448.35
  4. Step 4: Simplify right side
    917,069.40x = 1,143,743,759,198.24
  5. Step 5: Solve for x
    x = 1,143,743,759,198.24/917,069.40
  6. Step 6: Final answer
    x = 1,247,172.53

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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.