Home / 1,438,221.68-1,984,732.44-793,647.60

Finding the Fourth Proportional to 1,438,221.68, 1,984,732.44 and 793,647.60

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Solution

The fourth proportional to 1,438,221.68, 1,984,732.44 and 793,647.60 is: 1,095,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,221.68 : 1,984,732.44 = 793,647.60 : x
  2. Step 2: Convert to fraction form
    1,438,221.68/1,984,732.44 = 793,647.60/x
  3. Step 3: Cross multiply
    1,438,221.68x = 1,984,732.44 × 793,647.60
  4. Step 4: Simplify right side
    1,438,221.68x = 1,575,178,137,648.14
  5. Step 5: Solve for x
    x = 1,575,178,137,648.14/1,438,221.68
  6. Step 6: Final answer
    x = 1,095,226.25

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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.