Home / 1,316,041.43-1,815,825.94-764,429.37

Finding the Fourth Proportional to 1,316,041.43, 1,815,825.94 and 764,429.37

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Solution

The fourth proportional to 1,316,041.43, 1,815,825.94 and 764,429.37 is: 1,054,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,041.43 : 1,815,825.94 = 764,429.37 : x
  2. Step 2: Convert to fraction form
    1,316,041.43/1,815,825.94 = 764,429.37/x
  3. Step 3: Cross multiply
    1,316,041.43x = 1,815,825.94 × 764,429.37
  4. Step 4: Simplify right side
    1,316,041.43x = 1,388,070,680,299.39
  5. Step 5: Solve for x
    x = 1,388,070,680,299.39/1,316,041.43
  6. Step 6: Final answer
    x = 1,054,731.75

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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.