Home / 1,355,110.70-1,870,055.44-743,268.44

Finding the Fourth Proportional to 1,355,110.70, 1,870,055.44 and 743,268.44

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Solution

The fourth proportional to 1,355,110.70, 1,870,055.44 and 743,268.44 is: 1,025,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,110.70 : 1,870,055.44 = 743,268.44 : x
  2. Step 2: Convert to fraction form
    1,355,110.70/1,870,055.44 = 743,268.44/x
  3. Step 3: Cross multiply
    1,355,110.70x = 1,870,055.44 × 743,268.44
  4. Step 4: Simplify right side
    1,355,110.70x = 1,389,953,184,012.94
  5. Step 5: Solve for x
    x = 1,389,953,184,012.94/1,355,110.70
  6. Step 6: Final answer
    x = 1,025,711.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.