Home / 1,175,199.49-1,621,317.41-870,006.37

Finding the Fourth Proportional to 1,175,199.49, 1,621,317.41 and 870,006.37

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Solution

The fourth proportional to 1,175,199.49, 1,621,317.41 and 870,006.37 is: 1,200,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,199.49 : 1,621,317.41 = 870,006.37 : x
  2. Step 2: Convert to fraction form
    1,175,199.49/1,621,317.41 = 870,006.37/x
  3. Step 3: Cross multiply
    1,175,199.49x = 1,621,317.41 × 870,006.37
  4. Step 4: Simplify right side
    1,175,199.49x = 1,410,556,477,284.92
  5. Step 5: Solve for x
    x = 1,410,556,477,284.92/1,175,199.49
  6. Step 6: Final answer
    x = 1,200,269.82

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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.