Home / 1,448,749.55-1,998,869.22-905,437.24

Finding the Fourth Proportional to 1,448,749.55, 1,998,869.22 and 905,437.24

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Solution

The fourth proportional to 1,448,749.55, 1,998,869.22 and 905,437.24 is: 1,249,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,749.55 : 1,998,869.22 = 905,437.24 : x
  2. Step 2: Convert to fraction form
    1,448,749.55/1,998,869.22 = 905,437.24/x
  3. Step 3: Cross multiply
    1,448,749.55x = 1,998,869.22 × 905,437.24
  4. Step 4: Simplify right side
    1,448,749.55x = 1,809,850,624,680.58
  5. Step 5: Solve for x
    x = 1,809,850,624,680.58/1,448,749.55
  6. Step 6: Final answer
    x = 1,249,250.17

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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.