Home / 1,212,407.84-1,819,079.40-464,278.88

Finding the Fourth Proportional to 1,212,407.84, 1,819,079.40 and 464,278.88

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Solution

The fourth proportional to 1,212,407.84, 1,819,079.40 and 464,278.88 is: 696,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,407.84 : 1,819,079.40 = 464,278.88 : x
  2. Step 2: Convert to fraction form
    1,212,407.84/1,819,079.40 = 464,278.88/x
  3. Step 3: Cross multiply
    1,212,407.84x = 1,819,079.40 × 464,278.88
  4. Step 4: Simplify right side
    1,212,407.84x = 844,560,146,463.07
  5. Step 5: Solve for x
    x = 844,560,146,463.07/1,212,407.84
  6. Step 6: Final answer
    x = 696,597.40

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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.