Home / 1,538,298.89-2,122,844.36-850,018.21

Finding the Fourth Proportional to 1,538,298.89, 2,122,844.36 and 850,018.21

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Solution

The fourth proportional to 1,538,298.89, 2,122,844.36 and 850,018.21 is: 1,173,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,298.89 : 2,122,844.36 = 850,018.21 : x
  2. Step 2: Convert to fraction form
    1,538,298.89/2,122,844.36 = 850,018.21/x
  3. Step 3: Cross multiply
    1,538,298.89x = 2,122,844.36 × 850,018.21
  4. Step 4: Simplify right side
    1,538,298.89x = 1,804,456,368,364.86
  5. Step 5: Solve for x
    x = 1,804,456,368,364.86/1,538,298.89
  6. Step 6: Final answer
    x = 1,173,020.65

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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.