Home / 1,448,777.52-1,999,320.81-905,228.64

Finding the Fourth Proportional to 1,448,777.52, 1,999,320.81 and 905,228.64

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Solution

The fourth proportional to 1,448,777.52, 1,999,320.81 and 905,228.64 is: 1,249,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,777.52 : 1,999,320.81 = 905,228.64 : x
  2. Step 2: Convert to fraction form
    1,448,777.52/1,999,320.81 = 905,228.64/x
  3. Step 3: Cross multiply
    1,448,777.52x = 1,999,320.81 × 905,228.64
  4. Step 4: Simplify right side
    1,448,777.52x = 1,809,842,457,760.00
  5. Step 5: Solve for x
    x = 1,809,842,457,760.00/1,448,777.52
  6. Step 6: Final answer
    x = 1,249,220.42

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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.