Home / 1,421,843.51-2,132,769.32-411,047.75

Finding the Fourth Proportional to 1,421,843.51, 2,132,769.32 and 411,047.75

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Solution

The fourth proportional to 1,421,843.51, 2,132,769.32 and 411,047.75 is: 616,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,843.51 : 2,132,769.32 = 411,047.75 : x
  2. Step 2: Convert to fraction form
    1,421,843.51/2,132,769.32 = 411,047.75/x
  3. Step 3: Cross multiply
    1,421,843.51x = 2,132,769.32 × 411,047.75
  4. Step 4: Simplify right side
    1,421,843.51x = 876,670,030,255.03
  5. Step 5: Solve for x
    x = 876,670,030,255.03/1,421,843.51
  6. Step 6: Final answer
    x = 616,572.80

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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.