Home / 1,409,368.10-1,944,933.20-764,788.41

Finding the Fourth Proportional to 1,409,368.10, 1,944,933.20 and 764,788.41

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Solution

The fourth proportional to 1,409,368.10, 1,944,933.20 and 764,788.41 is: 1,055,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,368.10 : 1,944,933.20 = 764,788.41 : x
  2. Step 2: Convert to fraction form
    1,409,368.10/1,944,933.20 = 764,788.41/x
  3. Step 3: Cross multiply
    1,409,368.10x = 1,944,933.20 × 764,788.41
  4. Step 4: Simplify right side
    1,409,368.10x = 1,487,462,365,760.27
  5. Step 5: Solve for x
    x = 1,487,462,365,760.27/1,409,368.10
  6. Step 6: Final answer
    x = 1,055,410.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.