Home / 1,403,059.20-2,104,977.60-930,667.20

Finding the Fourth Proportional to 1,403,059.20, 2,104,977.60 and 930,667.20

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Solution

The fourth proportional to 1,403,059.20, 2,104,977.60 and 930,667.20 is: 1,396,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,059.20 : 2,104,977.60 = 930,667.20 : x
  2. Step 2: Convert to fraction form
    1,403,059.20/2,104,977.60 = 930,667.20/x
  3. Step 3: Cross multiply
    1,403,059.20x = 2,104,977.60 × 930,667.20
  4. Step 4: Simplify right side
    1,403,059.20x = 1,959,033,609,054.72
  5. Step 5: Solve for x
    x = 1,959,033,609,054.72/1,403,059.20
  6. Step 6: Final answer
    x = 1,396,258.70

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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.