Home / 1,028,278.80-1,539,793.80-818,326.80

Finding the Fourth Proportional to 1,028,278.80, 1,539,793.80 and 818,326.80

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Solution

The fourth proportional to 1,028,278.80, 1,539,793.80 and 818,326.80 is: 1,225,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,278.80 : 1,539,793.80 = 818,326.80 : x
  2. Step 2: Convert to fraction form
    1,028,278.80/1,539,793.80 = 818,326.80/x
  3. Step 3: Cross multiply
    1,028,278.80x = 1,539,793.80 × 818,326.80
  4. Step 4: Simplify right side
    1,028,278.80x = 1,260,054,533,013.84
  5. Step 5: Solve for x
    x = 1,260,054,533,013.84/1,028,278.80
  6. Step 6: Final answer
    x = 1,225,401.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.