Home / 1,355,110.08-1,870,039.14-743,250.42

Finding the Fourth Proportional to 1,355,110.08, 1,870,039.14 and 743,250.42

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Solution

The fourth proportional to 1,355,110.08, 1,870,039.14 and 743,250.42 is: 1,025,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,110.08 : 1,870,039.14 = 743,250.42 : x
  2. Step 2: Convert to fraction form
    1,355,110.08/1,870,039.14 = 743,250.42/x
  3. Step 3: Cross multiply
    1,355,110.08x = 1,870,039.14 × 743,250.42
  4. Step 4: Simplify right side
    1,355,110.08x = 1,389,907,376,221.44
  5. Step 5: Solve for x
    x = 1,389,907,376,221.44/1,355,110.08
  6. Step 6: Final answer
    x = 1,025,678.58

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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.