Home / 1,421,279.20-2,133,085.20-1,374,623.20

Finding the Fourth Proportional to 1,421,279.20, 2,133,085.20 and 1,374,623.20

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Solution

The fourth proportional to 1,421,279.20, 2,133,085.20 and 1,374,623.20 is: 2,063,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,279.20 : 2,133,085.20 = 1,374,623.20 : x
  2. Step 2: Convert to fraction form
    1,421,279.20/2,133,085.20 = 1,374,623.20/x
  3. Step 3: Cross multiply
    1,421,279.20x = 2,133,085.20 × 1,374,623.20
  4. Step 4: Simplify right side
    1,421,279.20x = 2,932,188,403,496.64
  5. Step 5: Solve for x
    x = 2,932,188,403,496.64/1,421,279.20
  6. Step 6: Final answer
    x = 2,063,062.91

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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.