Home / 1,360,419.40-2,040,629.10-349,539.40

Finding the Fourth Proportional to 1,360,419.40, 2,040,629.10 and 349,539.40

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Solution

The fourth proportional to 1,360,419.40, 2,040,629.10 and 349,539.40 is: 524,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,419.40 : 2,040,629.10 = 349,539.40 : x
  2. Step 2: Convert to fraction form
    1,360,419.40/2,040,629.10 = 349,539.40/x
  3. Step 3: Cross multiply
    1,360,419.40x = 2,040,629.10 × 349,539.40
  4. Step 4: Simplify right side
    1,360,419.40x = 713,280,271,236.54
  5. Step 5: Solve for x
    x = 713,280,271,236.54/1,360,419.40
  6. Step 6: Final answer
    x = 524,309.10

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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.