Home / 1,187,217.90-1,776,570.03-1,027,842.03

Finding the Fourth Proportional to 1,187,217.90, 1,776,570.03 and 1,027,842.03

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Solution

The fourth proportional to 1,187,217.90, 1,776,570.03 and 1,027,842.03 is: 1,538,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,217.90 : 1,776,570.03 = 1,027,842.03 : x
  2. Step 2: Convert to fraction form
    1,187,217.90/1,776,570.03 = 1,027,842.03/x
  3. Step 3: Cross multiply
    1,187,217.90x = 1,776,570.03 × 1,027,842.03
  4. Step 4: Simplify right side
    1,187,217.90x = 1,826,033,346,072.36
  5. Step 5: Solve for x
    x = 1,826,033,346,072.36/1,187,217.90
  6. Step 6: Final answer
    x = 1,538,077.67

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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.