Home / 1,228,642.56-1,842,203.52-479,808

Finding the Fourth Proportional to 1,228,642.56, 1,842,203.52 and 479,808

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Solution

The fourth proportional to 1,228,642.56, 1,842,203.52 and 479,808 is: 719,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,642.56 : 1,842,203.52 = 479,808 : x
  2. Step 2: Convert to fraction form
    1,228,642.56/1,842,203.52 = 479,808/x
  3. Step 3: Cross multiply
    1,228,642.56x = 1,842,203.52 × 479,808
  4. Step 4: Simplify right side
    1,228,642.56x = 883,903,986,524.16
  5. Step 5: Solve for x
    x = 883,903,986,524.16/1,228,642.56
  6. Step 6: Final answer
    x = 719,415.08

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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.