Home / 1,099,571.78-1,648,840.05-425,968.52

Finding the Fourth Proportional to 1,099,571.78, 1,648,840.05 and 425,968.52

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Solution

The fourth proportional to 1,099,571.78, 1,648,840.05 and 425,968.52 is: 638,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,571.78 : 1,648,840.05 = 425,968.52 : x
  2. Step 2: Convert to fraction form
    1,099,571.78/1,648,840.05 = 425,968.52/x
  3. Step 3: Cross multiply
    1,099,571.78x = 1,648,840.05 × 425,968.52
  4. Step 4: Simplify right side
    1,099,571.78x = 702,353,955,815.23
  5. Step 5: Solve for x
    x = 702,353,955,815.23/1,099,571.78
  6. Step 6: Final answer
    x = 638,752.26

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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.