Home / 1,421,844.51-2,132,770.82-411,048.75

Finding the Fourth Proportional to 1,421,844.51, 2,132,770.82 and 411,048.75

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Solution

The fourth proportional to 1,421,844.51, 2,132,770.82 and 411,048.75 is: 616,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,844.51 : 2,132,770.82 = 411,048.75 : x
  2. Step 2: Convert to fraction form
    1,421,844.51/2,132,770.82 = 411,048.75/x
  3. Step 3: Cross multiply
    1,421,844.51x = 2,132,770.82 × 411,048.75
  4. Step 4: Simplify right side
    1,421,844.51x = 876,672,779,597.48
  5. Step 5: Solve for x
    x = 876,672,779,597.48/1,421,844.51
  6. Step 6: Final answer
    x = 616,574.30

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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.