Home / 1,228,644.56-1,842,206.52-479,810

Finding the Fourth Proportional to 1,228,644.56, 1,842,206.52 and 479,810

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Solution

The fourth proportional to 1,228,644.56, 1,842,206.52 and 479,810 is: 719,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,644.56 : 1,842,206.52 = 479,810 : x
  2. Step 2: Convert to fraction form
    1,228,644.56/1,842,206.52 = 479,810/x
  3. Step 3: Cross multiply
    1,228,644.56x = 1,842,206.52 × 479,810
  4. Step 4: Simplify right side
    1,228,644.56x = 883,909,110,361.20
  5. Step 5: Solve for x
    x = 883,909,110,361.20/1,228,644.56
  6. Step 6: Final answer
    x = 719,418.08

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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.