Home / 1,765,288.60-2,645,211.30-1,313,891.80

Finding the Fourth Proportional to 1,765,288.60, 2,645,211.30 and 1,313,891.80

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Solution

The fourth proportional to 1,765,288.60, 2,645,211.30 and 1,313,891.80 is: 1,968,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,288.60 : 2,645,211.30 = 1,313,891.80 : x
  2. Step 2: Convert to fraction form
    1,765,288.60/2,645,211.30 = 1,313,891.80/x
  3. Step 3: Cross multiply
    1,765,288.60x = 2,645,211.30 × 1,313,891.80
  4. Step 4: Simplify right side
    1,765,288.60x = 3,475,521,436,337.34
  5. Step 5: Solve for x
    x = 3,475,521,436,337.34/1,765,288.60
  6. Step 6: Final answer
    x = 1,968,812.03

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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.