Home / 1,645,965.33-2,468,698.47-447,981

Finding the Fourth Proportional to 1,645,965.33, 2,468,698.47 and 447,981

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Solution

The fourth proportional to 1,645,965.33, 2,468,698.47 and 447,981 is: 671,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,965.33 : 2,468,698.47 = 447,981 : x
  2. Step 2: Convert to fraction form
    1,645,965.33/2,468,698.47 = 447,981/x
  3. Step 3: Cross multiply
    1,645,965.33x = 2,468,698.47 × 447,981
  4. Step 4: Simplify right side
    1,645,965.33x = 1,105,930,009,289.07
  5. Step 5: Solve for x
    x = 1,105,930,009,289.07/1,645,965.33
  6. Step 6: Final answer
    x = 671,903.59

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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.