Home / 1,252,967.09-1,879,029.43-454,081.37

Finding the Fourth Proportional to 1,252,967.09, 1,879,029.43 and 454,081.37

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Solution

The fourth proportional to 1,252,967.09, 1,879,029.43 and 454,081.37 is: 680,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,967.09 : 1,879,029.43 = 454,081.37 : x
  2. Step 2: Convert to fraction form
    1,252,967.09/1,879,029.43 = 454,081.37/x
  3. Step 3: Cross multiply
    1,252,967.09x = 1,879,029.43 × 454,081.37
  4. Step 4: Simplify right side
    1,252,967.09x = 853,232,247,314.37
  5. Step 5: Solve for x
    x = 853,232,247,314.37/1,252,967.09
  6. Step 6: Final answer
    x = 680,969.40

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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.