Home / 1,421,623.35-2,132,808.93-510,897.83

Finding the Fourth Proportional to 1,421,623.35, 2,132,808.93 and 510,897.83

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Solution

The fourth proportional to 1,421,623.35, 2,132,808.93 and 510,897.83 is: 766,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,623.35 : 2,132,808.93 = 510,897.83 : x
  2. Step 2: Convert to fraction form
    1,421,623.35/2,132,808.93 = 510,897.83/x
  3. Step 3: Cross multiply
    1,421,623.35x = 2,132,808.93 × 510,897.83
  4. Step 4: Simplify right side
    1,421,623.35x = 1,089,647,443,477.58
  5. Step 5: Solve for x
    x = 1,089,647,443,477.58/1,421,623.35
  6. Step 6: Final answer
    x = 766,481.11

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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.