Home / 1,126,485.45-1,693,271.11-978,567.70

Finding the Fourth Proportional to 1,126,485.45, 1,693,271.11 and 978,567.70

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Solution

The fourth proportional to 1,126,485.45, 1,693,271.11 and 978,567.70 is: 1,470,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,485.45 : 1,693,271.11 = 978,567.70 : x
  2. Step 2: Convert to fraction form
    1,126,485.45/1,693,271.11 = 978,567.70/x
  3. Step 3: Cross multiply
    1,126,485.45x = 1,693,271.11 × 978,567.70
  4. Step 4: Simplify right side
    1,126,485.45x = 1,656,980,415,589.15
  5. Step 5: Solve for x
    x = 1,656,980,415,589.15/1,126,485.45
  6. Step 6: Final answer
    x = 1,470,929.27

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