Home / 1,419,985-1,959,582.66-775,406.44

Finding the Fourth Proportional to 1,419,985, 1,959,582.66 and 775,406.44

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Solution

The fourth proportional to 1,419,985, 1,959,582.66 and 775,406.44 is: 1,070,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,985 : 1,959,582.66 = 775,406.44 : x
  2. Step 2: Convert to fraction form
    1,419,985/1,959,582.66 = 775,406.44/x
  3. Step 3: Cross multiply
    1,419,985x = 1,959,582.66 × 775,406.44
  4. Step 4: Simplify right side
    1,419,985x = 1,519,473,014,276.33
  5. Step 5: Solve for x
    x = 1,519,473,014,276.33/1,419,985
  6. Step 6: Final answer
    x = 1,070,062.72

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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.