Home / 1,642,749.28-2,458,129.04-969,153.28

Finding the Fourth Proportional to 1,642,749.28, 2,458,129.04 and 969,153.28

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Solution

The fourth proportional to 1,642,749.28, 2,458,129.04 and 969,153.28 is: 1,450,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,749.28 : 2,458,129.04 = 969,153.28 : x
  2. Step 2: Convert to fraction form
    1,642,749.28/2,458,129.04 = 969,153.28/x
  3. Step 3: Cross multiply
    1,642,749.28x = 2,458,129.04 × 969,153.28
  4. Step 4: Simplify right side
    1,642,749.28x = 2,382,303,821,779.25
  5. Step 5: Solve for x
    x = 2,382,303,821,779.25/1,642,749.28
  6. Step 6: Final answer
    x = 1,450,193.19

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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.