Home / 1,086,004.79-1,629,012.64-446,657.21

Finding the Fourth Proportional to 1,086,004.79, 1,629,012.64 and 446,657.21

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Solution

The fourth proportional to 1,086,004.79, 1,629,012.64 and 446,657.21 is: 669,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,004.79 : 1,629,012.64 = 446,657.21 : x
  2. Step 2: Convert to fraction form
    1,086,004.79/1,629,012.64 = 446,657.21/x
  3. Step 3: Cross multiply
    1,086,004.79x = 1,629,012.64 × 446,657.21
  4. Step 4: Simplify right side
    1,086,004.79x = 727,610,240,837.13
  5. Step 5: Solve for x
    x = 727,610,240,837.13/1,086,004.79
  6. Step 6: Final answer
    x = 669,988.06

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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.