Home / 1,252,626.40-1,878,559.44-353,997.28

Finding the Fourth Proportional to 1,252,626.40, 1,878,559.44 and 353,997.28

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Solution

The fourth proportional to 1,252,626.40, 1,878,559.44 and 353,997.28 is: 530,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,626.40 : 1,878,559.44 = 353,997.28 : x
  2. Step 2: Convert to fraction form
    1,252,626.40/1,878,559.44 = 353,997.28/x
  3. Step 3: Cross multiply
    1,252,626.40x = 1,878,559.44 × 353,997.28
  4. Step 4: Simplify right side
    1,252,626.40x = 665,004,932,078.32
  5. Step 5: Solve for x
    x = 665,004,932,078.32/1,252,626.40
  6. Step 6: Final answer
    x = 530,888.49

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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.