Home / 1,139,255.99-1,709,258.05-465,903.60

Finding the Fourth Proportional to 1,139,255.99, 1,709,258.05 and 465,903.60

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Solution

The fourth proportional to 1,139,255.99, 1,709,258.05 and 465,903.60 is: 699,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,255.99 : 1,709,258.05 = 465,903.60 : x
  2. Step 2: Convert to fraction form
    1,139,255.99/1,709,258.05 = 465,903.60/x
  3. Step 3: Cross multiply
    1,139,255.99x = 1,709,258.05 × 465,903.60
  4. Step 4: Simplify right side
    1,139,255.99x = 796,349,472,996.69
  5. Step 5: Solve for x
    x = 796,349,472,996.69/1,139,255.99
  6. Step 6: Final answer
    x = 699,008.37

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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.