Home / 1,097,804.20-1,643,480.70-818,559.40

Finding the Fourth Proportional to 1,097,804.20, 1,643,480.70 and 818,559.40

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Solution

The fourth proportional to 1,097,804.20, 1,643,480.70 and 818,559.40 is: 1,225,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,804.20 : 1,643,480.70 = 818,559.40 : x
  2. Step 2: Convert to fraction form
    1,097,804.20/1,643,480.70 = 818,559.40/x
  3. Step 3: Cross multiply
    1,097,804.20x = 1,643,480.70 × 818,559.40
  4. Step 4: Simplify right side
    1,097,804.20x = 1,345,286,575,703.58
  5. Step 5: Solve for x
    x = 1,345,286,575,703.58/1,097,804.20
  6. Step 6: Final answer
    x = 1,225,433.99

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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.