Home / 1,238,782.24-1,856,918.48-839,463.36

Finding the Fourth Proportional to 1,238,782.24, 1,856,918.48 and 839,463.36

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Solution

The fourth proportional to 1,238,782.24, 1,856,918.48 and 839,463.36 is: 1,258,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,782.24 : 1,856,918.48 = 839,463.36 : x
  2. Step 2: Convert to fraction form
    1,238,782.24/1,856,918.48 = 839,463.36/x
  3. Step 3: Cross multiply
    1,238,782.24x = 1,856,918.48 × 839,463.36
  4. Step 4: Simplify right side
    1,238,782.24x = 1,558,815,026,466.89
  5. Step 5: Solve for x
    x = 1,558,815,026,466.89/1,238,782.24
  6. Step 6: Final answer
    x = 1,258,344.67

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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.