Home / 1,103,485.17-1,522,945.60-620,039.81

Finding the Fourth Proportional to 1,103,485.17, 1,522,945.60 and 620,039.81

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Solution

The fourth proportional to 1,103,485.17, 1,522,945.60 and 620,039.81 is: 855,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,485.17 : 1,522,945.60 = 620,039.81 : x
  2. Step 2: Convert to fraction form
    1,103,485.17/1,522,945.60 = 620,039.81/x
  3. Step 3: Cross multiply
    1,103,485.17x = 1,522,945.60 × 620,039.81
  4. Step 4: Simplify right side
    1,103,485.17x = 944,286,902,721.60
  5. Step 5: Solve for x
    x = 944,286,902,721.60/1,103,485.17
  6. Step 6: Final answer
    x = 855,731.39

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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.