Home / 1,448,928-1,999,420.40-804,297.50

Finding the Fourth Proportional to 1,448,928, 1,999,420.40 and 804,297.50

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Solution

The fourth proportional to 1,448,928, 1,999,420.40 and 804,297.50 is: 1,109,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,928 : 1,999,420.40 = 804,297.50 : x
  2. Step 2: Convert to fraction form
    1,448,928/1,999,420.40 = 804,297.50/x
  3. Step 3: Cross multiply
    1,448,928x = 1,999,420.40 × 804,297.50
  4. Step 4: Simplify right side
    1,448,928x = 1,608,128,828,680.47
  5. Step 5: Solve for x
    x = 1,608,128,828,680.47/1,448,928
  6. Step 6: Final answer
    x = 1,109,874.91

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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.