Home / 1,421,115.58-2,131,747.19-710,903.73

Finding the Fourth Proportional to 1,421,115.58, 2,131,747.19 and 710,903.73

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Solution

The fourth proportional to 1,421,115.58, 2,131,747.19 and 710,903.73 is: 1,066,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,115.58 : 2,131,747.19 = 710,903.73 : x
  2. Step 2: Convert to fraction form
    1,421,115.58/2,131,747.19 = 710,903.73/x
  3. Step 3: Cross multiply
    1,421,115.58x = 2,131,747.19 × 710,903.73
  4. Step 4: Simplify right side
    1,421,115.58x = 1,515,467,028,788.02
  5. Step 5: Solve for x
    x = 1,515,467,028,788.02/1,421,115.58
  6. Step 6: Final answer
    x = 1,066,392.52

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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.