Home / 1,212,405.84-1,819,076.40-464,276.88

Finding the Fourth Proportional to 1,212,405.84, 1,819,076.40 and 464,276.88

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Solution

The fourth proportional to 1,212,405.84, 1,819,076.40 and 464,276.88 is: 696,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,405.84 : 1,819,076.40 = 464,276.88 : x
  2. Step 2: Convert to fraction form
    1,212,405.84/1,819,076.40 = 464,276.88/x
  3. Step 3: Cross multiply
    1,212,405.84x = 1,819,076.40 × 464,276.88
  4. Step 4: Simplify right side
    1,212,405.84x = 844,555,115,473.63
  5. Step 5: Solve for x
    x = 844,555,115,473.63/1,212,405.84
  6. Step 6: Final answer
    x = 696,594.40

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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.