Home / 1,439,037.94-2,158,180.80-427,887.58

Finding the Fourth Proportional to 1,439,037.94, 2,158,180.80 and 427,887.58

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Solution

The fourth proportional to 1,439,037.94, 2,158,180.80 and 427,887.58 is: 641,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,037.94 : 2,158,180.80 = 427,887.58 : x
  2. Step 2: Convert to fraction form
    1,439,037.94/2,158,180.80 = 427,887.58/x
  3. Step 3: Cross multiply
    1,439,037.94x = 2,158,180.80 × 427,887.58
  4. Step 4: Simplify right side
    1,439,037.94x = 923,458,759,714.46
  5. Step 5: Solve for x
    x = 923,458,759,714.46/1,439,037.94
  6. Step 6: Final answer
    x = 641,719.54

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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.