Home / 1,099,622.66-1,648,916.39-426,019.37

Finding the Fourth Proportional to 1,099,622.66, 1,648,916.39 and 426,019.37

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Solution

The fourth proportional to 1,099,622.66, 1,648,916.39 and 426,019.37 is: 638,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,622.66 : 1,648,916.39 = 426,019.37 : x
  2. Step 2: Convert to fraction form
    1,099,622.66/1,648,916.39 = 426,019.37/x
  3. Step 3: Cross multiply
    1,099,622.66x = 1,648,916.39 × 426,019.37
  4. Step 4: Simplify right side
    1,099,622.66x = 702,470,314,470.94
  5. Step 5: Solve for x
    x = 702,470,314,470.94/1,099,622.66
  6. Step 6: Final answer
    x = 638,828.52

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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.