Home / 1,299,593.57-1,792,889.96-870,012.09

Finding the Fourth Proportional to 1,299,593.57, 1,792,889.96 and 870,012.09

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Solution

The fourth proportional to 1,299,593.57, 1,792,889.96 and 870,012.09 is: 1,200,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,593.57 : 1,792,889.96 = 870,012.09 : x
  2. Step 2: Convert to fraction form
    1,299,593.57/1,792,889.96 = 870,012.09/x
  3. Step 3: Cross multiply
    1,299,593.57x = 1,792,889.96 × 870,012.09
  4. Step 4: Simplify right side
    1,299,593.57x = 1,559,835,945,045.92
  5. Step 5: Solve for x
    x = 1,559,835,945,045.92/1,299,593.57
  6. Step 6: Final answer
    x = 1,200,249.05

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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.