Home / 1,215,040.40-1,823,872.80-683,599.40

Finding the Fourth Proportional to 1,215,040.40, 1,823,872.80 and 683,599.40

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Solution

The fourth proportional to 1,215,040.40, 1,823,872.80 and 683,599.40 is: 1,026,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,040.40 : 1,823,872.80 = 683,599.40 : x
  2. Step 2: Convert to fraction form
    1,215,040.40/1,823,872.80 = 683,599.40/x
  3. Step 3: Cross multiply
    1,215,040.40x = 1,823,872.80 × 683,599.40
  4. Step 4: Simplify right side
    1,215,040.40x = 1,246,798,351,756.32
  5. Step 5: Solve for x
    x = 1,246,798,351,756.32/1,215,040.40
  6. Step 6: Final answer
    x = 1,026,137.36

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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.