Home / 1,105,273.58-1,525,271.18-621,842.09

Finding the Fourth Proportional to 1,105,273.58, 1,525,271.18 and 621,842.09

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Solution

The fourth proportional to 1,105,273.58, 1,525,271.18 and 621,842.09 is: 858,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,273.58 : 1,525,271.18 = 621,842.09 : x
  2. Step 2: Convert to fraction form
    1,105,273.58/1,525,271.18 = 621,842.09/x
  3. Step 3: Cross multiply
    1,105,273.58x = 1,525,271.18 × 621,842.09
  4. Step 4: Simplify right side
    1,105,273.58x = 948,477,807,652.40
  5. Step 5: Solve for x
    x = 948,477,807,652.40/1,105,273.58
  6. Step 6: Final answer
    x = 858,138.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.