Home / 1,645,203.60-2,469,263.40-970,441.20

Finding the Fourth Proportional to 1,645,203.60, 2,469,263.40 and 970,441.20

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Solution

The fourth proportional to 1,645,203.60, 2,469,263.40 and 970,441.20 is: 1,456,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,203.60 : 2,469,263.40 = 970,441.20 : x
  2. Step 2: Convert to fraction form
    1,645,203.60/2,469,263.40 = 970,441.20/x
  3. Step 3: Cross multiply
    1,645,203.60x = 2,469,263.40 × 970,441.20
  4. Step 4: Simplify right side
    1,645,203.60x = 2,396,274,937,012.08
  5. Step 5: Solve for x
    x = 2,396,274,937,012.08/1,645,203.60
  6. Step 6: Final answer
    x = 1,456,521.82

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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.