Home / 1,439,051-2,158,200.24-427,900.64

Finding the Fourth Proportional to 1,439,051, 2,158,200.24 and 427,900.64

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Solution

The fourth proportional to 1,439,051, 2,158,200.24 and 427,900.64 is: 641,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,051 : 2,158,200.24 = 427,900.64 : x
  2. Step 2: Convert to fraction form
    1,439,051/2,158,200.24 = 427,900.64/x
  3. Step 3: Cross multiply
    1,439,051x = 2,158,200.24 × 427,900.64
  4. Step 4: Simplify right side
    1,439,051x = 923,495,263,944.15
  5. Step 5: Solve for x
    x = 923,495,263,944.15/1,439,051
  6. Step 6: Final answer
    x = 641,739.08

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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.