Home / 1,345,433.52-1,855,189.95-1,099,655.49

Finding the Fourth Proportional to 1,345,433.52, 1,855,189.95 and 1,099,655.49

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Solution

The fourth proportional to 1,345,433.52, 1,855,189.95 and 1,099,655.49 is: 1,516,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,433.52 : 1,855,189.95 = 1,099,655.49 : x
  2. Step 2: Convert to fraction form
    1,345,433.52/1,855,189.95 = 1,099,655.49/x
  3. Step 3: Cross multiply
    1,345,433.52x = 1,855,189.95 × 1,099,655.49
  4. Step 4: Simplify right side
    1,345,433.52x = 2,040,069,825,621.92
  5. Step 5: Solve for x
    x = 2,040,069,825,621.92/1,345,433.52
  6. Step 6: Final answer
    x = 1,516,291.81

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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.