Home / 1,298,610.40-1,792,634.16-789,475.36

Finding the Fourth Proportional to 1,298,610.40, 1,792,634.16 and 789,475.36

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Solution

The fourth proportional to 1,298,610.40, 1,792,634.16 and 789,475.36 is: 1,089,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,610.40 : 1,792,634.16 = 789,475.36 : x
  2. Step 2: Convert to fraction form
    1,298,610.40/1,792,634.16 = 789,475.36/x
  3. Step 3: Cross multiply
    1,298,610.40x = 1,792,634.16 × 789,475.36
  4. Step 4: Simplify right side
    1,298,610.40x = 1,415,240,498,814.30
  5. Step 5: Solve for x
    x = 1,415,240,498,814.30/1,298,610.40
  6. Step 6: Final answer
    x = 1,089,811.46

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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.