Home / 1,728,507.20-2,592,760.80-878,201.60

Finding the Fourth Proportional to 1,728,507.20, 2,592,760.80 and 878,201.60

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Solution

The fourth proportional to 1,728,507.20, 2,592,760.80 and 878,201.60 is: 1,317,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,507.20 : 2,592,760.80 = 878,201.60 : x
  2. Step 2: Convert to fraction form
    1,728,507.20/2,592,760.80 = 878,201.60/x
  3. Step 3: Cross multiply
    1,728,507.20x = 2,592,760.80 × 878,201.60
  4. Step 4: Simplify right side
    1,728,507.20x = 2,276,966,682,977.28
  5. Step 5: Solve for x
    x = 2,276,966,682,977.28/1,728,507.20
  6. Step 6: Final answer
    x = 1,317,302.40

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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.