Home / 1,386,171-1,912,921.74-750,267

Finding the Fourth Proportional to 1,386,171, 1,912,921.74 and 750,267

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Solution

The fourth proportional to 1,386,171, 1,912,921.74 and 750,267 is: 1,035,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,171 : 1,912,921.74 = 750,267 : x
  2. Step 2: Convert to fraction form
    1,386,171/1,912,921.74 = 750,267/x
  3. Step 3: Cross multiply
    1,386,171x = 1,912,921.74 × 750,267
  4. Step 4: Simplify right side
    1,386,171x = 1,435,202,055,104.58
  5. Step 5: Solve for x
    x = 1,435,202,055,104.58/1,386,171
  6. Step 6: Final answer
    x = 1,035,371.58

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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.