Home / 1,449,346.40-2,174,019.60-1,289,914.10

Finding the Fourth Proportional to 1,449,346.40, 2,174,019.60 and 1,289,914.10

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Solution

The fourth proportional to 1,449,346.40, 2,174,019.60 and 1,289,914.10 is: 1,934,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,346.40 : 2,174,019.60 = 1,289,914.10 : x
  2. Step 2: Convert to fraction form
    1,449,346.40/2,174,019.60 = 1,289,914.10/x
  3. Step 3: Cross multiply
    1,449,346.40x = 2,174,019.60 × 1,289,914.10
  4. Step 4: Simplify right side
    1,449,346.40x = 2,804,298,535,716.36
  5. Step 5: Solve for x
    x = 2,804,298,535,716.36/1,449,346.40
  6. Step 6: Final answer
    x = 1,934,871.15

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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.