Home / 1,370,667.60-2,056,195.80-423,939.60

Finding the Fourth Proportional to 1,370,667.60, 2,056,195.80 and 423,939.60

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Solution

The fourth proportional to 1,370,667.60, 2,056,195.80 and 423,939.60 is: 635,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,667.60 : 2,056,195.80 = 423,939.60 : x
  2. Step 2: Convert to fraction form
    1,370,667.60/2,056,195.80 = 423,939.60/x
  3. Step 3: Cross multiply
    1,370,667.60x = 2,056,195.80 × 423,939.60
  4. Step 4: Simplify right side
    1,370,667.60x = 871,702,824,973.68
  5. Step 5: Solve for x
    x = 871,702,824,973.68/1,370,667.60
  6. Step 6: Final answer
    x = 635,969.53

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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.