Home / 1,421,636.98-2,132,828.96-510,911.41

Finding the Fourth Proportional to 1,421,636.98, 2,132,828.96 and 510,911.41

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Solution

The fourth proportional to 1,421,636.98, 2,132,828.96 and 510,911.41 is: 766,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,636.98 : 2,132,828.96 = 510,911.41 : x
  2. Step 2: Convert to fraction form
    1,421,636.98/2,132,828.96 = 510,911.41/x
  3. Step 3: Cross multiply
    1,421,636.98x = 2,132,828.96 × 510,911.41
  4. Step 4: Simplify right side
    1,421,636.98x = 1,089,686,638,023.73
  5. Step 5: Solve for x
    x = 1,089,686,638,023.73/1,421,636.98
  6. Step 6: Final answer
    x = 766,501.33

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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.