Home / 1,438,187.68-1,984,685.52-793,613.44

Finding the Fourth Proportional to 1,438,187.68, 1,984,685.52 and 793,613.44

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Solution

The fourth proportional to 1,438,187.68, 1,984,685.52 and 793,613.44 is: 1,095,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,187.68 : 1,984,685.52 = 793,613.44 : x
  2. Step 2: Convert to fraction form
    1,438,187.68/1,984,685.52 = 793,613.44/x
  3. Step 3: Cross multiply
    1,438,187.68x = 1,984,685.52 × 793,613.44
  4. Step 4: Simplify right side
    1,438,187.68x = 1,575,073,102,845.39
  5. Step 5: Solve for x
    x = 1,575,073,102,845.39/1,438,187.68
  6. Step 6: Final answer
    x = 1,095,179.11

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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.