Home / 1,301,242.09-1,795,770.21-720,465.22

Finding the Fourth Proportional to 1,301,242.09, 1,795,770.21 and 720,465.22

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Solution

The fourth proportional to 1,301,242.09, 1,795,770.21 and 720,465.22 is: 994,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,242.09 : 1,795,770.21 = 720,465.22 : x
  2. Step 2: Convert to fraction form
    1,301,242.09/1,795,770.21 = 720,465.22/x
  3. Step 3: Cross multiply
    1,301,242.09x = 1,795,770.21 × 720,465.22
  4. Step 4: Simplify right side
    1,301,242.09x = 1,293,789,966,835.92
  5. Step 5: Solve for x
    x = 1,293,789,966,835.92/1,301,242.09
  6. Step 6: Final answer
    x = 994,273.07

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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.