Home / 1,443,039.04-1,992,194.72-870,224.32

Finding the Fourth Proportional to 1,443,039.04, 1,992,194.72 and 870,224.32

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Solution

The fourth proportional to 1,443,039.04, 1,992,194.72 and 870,224.32 is: 1,201,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,039.04 : 1,992,194.72 = 870,224.32 : x
  2. Step 2: Convert to fraction form
    1,443,039.04/1,992,194.72 = 870,224.32/x
  3. Step 3: Cross multiply
    1,443,039.04x = 1,992,194.72 × 870,224.32
  4. Step 4: Simplify right side
    1,443,039.04x = 1,733,656,295,519.59
  5. Step 5: Solve for x
    x = 1,733,656,295,519.59/1,443,039.04
  6. Step 6: Final answer
    x = 1,201,392.51

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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.