Home / 1,444,056.28-1,992,790.36-790,670.43

Finding the Fourth Proportional to 1,444,056.28, 1,992,790.36 and 790,670.43

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Solution

The fourth proportional to 1,444,056.28, 1,992,790.36 and 790,670.43 is: 1,091,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,056.28 : 1,992,790.36 = 790,670.43 : x
  2. Step 2: Convert to fraction form
    1,444,056.28/1,992,790.36 = 790,670.43/x
  3. Step 3: Cross multiply
    1,444,056.28x = 1,992,790.36 × 790,670.43
  4. Step 4: Simplify right side
    1,444,056.28x = 1,575,640,411,562.68
  5. Step 5: Solve for x
    x = 1,575,640,411,562.68/1,444,056.28
  6. Step 6: Final answer
    x = 1,091,121.19

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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.