Home / 1,423,589.90-2,134,945.43-412,786.36

Finding the Fourth Proportional to 1,423,589.90, 2,134,945.43 and 412,786.36

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Solution

The fourth proportional to 1,423,589.90, 2,134,945.43 and 412,786.36 is: 619,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,589.90 : 2,134,945.43 = 412,786.36 : x
  2. Step 2: Convert to fraction form
    1,423,589.90/2,134,945.43 = 412,786.36/x
  3. Step 3: Cross multiply
    1,423,589.90x = 2,134,945.43 × 412,786.36
  4. Step 4: Simplify right side
    1,423,589.90x = 881,276,352,848.34
  5. Step 5: Solve for x
    x = 881,276,352,848.34/1,423,589.90
  6. Step 6: Final answer
    x = 619,052.13

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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.