Home / 1,097,361.30-1,646,041.95-831,640.80

Finding the Fourth Proportional to 1,097,361.30, 1,646,041.95 and 831,640.80

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Solution

The fourth proportional to 1,097,361.30, 1,646,041.95 and 831,640.80 is: 1,247,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,361.30 : 1,646,041.95 = 831,640.80 : x
  2. Step 2: Convert to fraction form
    1,097,361.30/1,646,041.95 = 831,640.80/x
  3. Step 3: Cross multiply
    1,097,361.30x = 1,646,041.95 × 831,640.80
  4. Step 4: Simplify right side
    1,097,361.30x = 1,368,915,644,131.56
  5. Step 5: Solve for x
    x = 1,368,915,644,131.56/1,097,361.30
  6. Step 6: Final answer
    x = 1,247,461.20

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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.