Home / 1,352,726.79-2,028,611.55-392,982.72

Finding the Fourth Proportional to 1,352,726.79, 2,028,611.55 and 392,982.72

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Solution

The fourth proportional to 1,352,726.79, 2,028,611.55 and 392,982.72 is: 589,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,726.79 : 2,028,611.55 = 392,982.72 : x
  2. Step 2: Convert to fraction form
    1,352,726.79/2,028,611.55 = 392,982.72/x
  3. Step 3: Cross multiply
    1,352,726.79x = 2,028,611.55 × 392,982.72
  4. Step 4: Simplify right side
    1,352,726.79x = 797,209,284,742.42
  5. Step 5: Solve for x
    x = 797,209,284,742.42/1,352,726.79
  6. Step 6: Final answer
    x = 589,335.03

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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.