Home / 1,346,629.90-2,019,944.85-842,745.10

Finding the Fourth Proportional to 1,346,629.90, 2,019,944.85 and 842,745.10

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Solution

The fourth proportional to 1,346,629.90, 2,019,944.85 and 842,745.10 is: 1,264,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,629.90 : 2,019,944.85 = 842,745.10 : x
  2. Step 2: Convert to fraction form
    1,346,629.90/2,019,944.85 = 842,745.10/x
  3. Step 3: Cross multiply
    1,346,629.90x = 2,019,944.85 × 842,745.10
  4. Step 4: Simplify right side
    1,346,629.90x = 1,702,298,624,607.74
  5. Step 5: Solve for x
    x = 1,702,298,624,607.74/1,346,629.90
  6. Step 6: Final answer
    x = 1,264,117.65

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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.