Home / 1,419,472.89-2,129,238.81-508,714.56

Finding the Fourth Proportional to 1,419,472.89, 2,129,238.81 and 508,714.56

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Solution

The fourth proportional to 1,419,472.89, 2,129,238.81 and 508,714.56 is: 763,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,472.89 : 2,129,238.81 = 508,714.56 : x
  2. Step 2: Convert to fraction form
    1,419,472.89/2,129,238.81 = 508,714.56/x
  3. Step 3: Cross multiply
    1,419,472.89x = 2,129,238.81 × 508,714.56
  4. Step 4: Simplify right side
    1,419,472.89x = 1,083,174,784,364.07
  5. Step 5: Solve for x
    x = 1,083,174,784,364.07/1,419,472.89
  6. Step 6: Final answer
    x = 763,082.40

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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.