Home / 1,211,637.24-1,670,693.58-775,483.56

Finding the Fourth Proportional to 1,211,637.24, 1,670,693.58 and 775,483.56

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Solution

The fourth proportional to 1,211,637.24, 1,670,693.58 and 775,483.56 is: 1,069,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,637.24 : 1,670,693.58 = 775,483.56 : x
  2. Step 2: Convert to fraction form
    1,211,637.24/1,670,693.58 = 775,483.56/x
  3. Step 3: Cross multiply
    1,211,637.24x = 1,670,693.58 × 775,483.56
  4. Step 4: Simplify right side
    1,211,637.24x = 1,295,595,405,087.55
  5. Step 5: Solve for x
    x = 1,295,595,405,087.55/1,211,637.24
  6. Step 6: Final answer
    x = 1,069,293.15

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Why These Related Problems?

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