Home / 1,430,663.22-2,146,327.17-419,744.34

Finding the Fourth Proportional to 1,430,663.22, 2,146,327.17 and 419,744.34

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Solution

The fourth proportional to 1,430,663.22, 2,146,327.17 and 419,744.34 is: 629,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,663.22 : 2,146,327.17 = 419,744.34 : x
  2. Step 2: Convert to fraction form
    1,430,663.22/2,146,327.17 = 419,744.34/x
  3. Step 3: Cross multiply
    1,430,663.22x = 2,146,327.17 × 419,744.34
  4. Step 4: Simplify right side
    1,430,663.22x = 900,908,681,395.72
  5. Step 5: Solve for x
    x = 900,908,681,395.72/1,430,663.22
  6. Step 6: Final answer
    x = 629,714.02

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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.