Home / 1,443,925.26-1,991,991.20-870,646.94

Finding the Fourth Proportional to 1,443,925.26, 1,991,991.20 and 870,646.94

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Solution

The fourth proportional to 1,443,925.26, 1,991,991.20 and 870,646.94 is: 1,201,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,925.26 : 1,991,991.20 = 870,646.94 : x
  2. Step 2: Convert to fraction form
    1,443,925.26/1,991,991.20 = 870,646.94/x
  3. Step 3: Cross multiply
    1,443,925.26x = 1,991,991.20 × 870,646.94
  4. Step 4: Simplify right side
    1,443,925.26x = 1,734,321,042,786.93
  5. Step 5: Solve for x
    x = 1,734,321,042,786.93/1,443,925.26
  6. Step 6: Final answer
    x = 1,201,115.52

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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.