Home / 1,090,331.80-1,637,247.30-736,912.60

Finding the Fourth Proportional to 1,090,331.80, 1,637,247.30 and 736,912.60

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Solution

The fourth proportional to 1,090,331.80, 1,637,247.30 and 736,912.60 is: 1,106,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,331.80 : 1,637,247.30 = 736,912.60 : x
  2. Step 2: Convert to fraction form
    1,090,331.80/1,637,247.30 = 736,912.60/x
  3. Step 3: Cross multiply
    1,090,331.80x = 1,637,247.30 × 736,912.60
  4. Step 4: Simplify right side
    1,090,331.80x = 1,206,508,164,685.98
  5. Step 5: Solve for x
    x = 1,206,508,164,685.98/1,090,331.80
  6. Step 6: Final answer
    x = 1,106,551.39

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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.