Home / 1,962,788.80-2,941,996.20-764,312.80

Finding the Fourth Proportional to 1,962,788.80, 2,941,996.20 and 764,312.80

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Solution

The fourth proportional to 1,962,788.80, 2,941,996.20 and 764,312.80 is: 1,145,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,788.80 : 2,941,996.20 = 764,312.80 : x
  2. Step 2: Convert to fraction form
    1,962,788.80/2,941,996.20 = 764,312.80/x
  3. Step 3: Cross multiply
    1,962,788.80x = 2,941,996.20 × 764,312.80
  4. Step 4: Simplify right side
    1,962,788.80x = 2,248,605,353,211.36
  5. Step 5: Solve for x
    x = 2,248,605,353,211.36/1,962,788.80
  6. Step 6: Final answer
    x = 1,145,617.58

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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.