Home / 1,345,989.76-2,019,882.49-698,163.01

Finding the Fourth Proportional to 1,345,989.76, 2,019,882.49 and 698,163.01

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Solution

The fourth proportional to 1,345,989.76, 2,019,882.49 and 698,163.01 is: 1,047,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,989.76 : 2,019,882.49 = 698,163.01 : x
  2. Step 2: Convert to fraction form
    1,345,989.76/2,019,882.49 = 698,163.01/x
  3. Step 3: Cross multiply
    1,345,989.76x = 2,019,882.49 × 698,163.01
  4. Step 4: Simplify right side
    1,345,989.76x = 1,410,207,232,269.58
  5. Step 5: Solve for x
    x = 1,410,207,232,269.58/1,345,989.76
  6. Step 6: Final answer
    x = 1,047,710.23

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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.