Home / 1,345,813.26-1,856,903.04-764,990.69

Finding the Fourth Proportional to 1,345,813.26, 1,856,903.04 and 764,990.69

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Solution

The fourth proportional to 1,345,813.26, 1,856,903.04 and 764,990.69 is: 1,055,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,813.26 : 1,856,903.04 = 764,990.69 : x
  2. Step 2: Convert to fraction form
    1,345,813.26/1,856,903.04 = 764,990.69/x
  3. Step 3: Cross multiply
    1,345,813.26x = 1,856,903.04 × 764,990.69
  4. Step 4: Simplify right side
    1,345,813.26x = 1,420,513,528,548.18
  5. Step 5: Solve for x
    x = 1,420,513,528,548.18/1,345,813.26
  6. Step 6: Final answer
    x = 1,055,505.67

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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.