Home / 1,224,134.43-1,687,525.06-855,466.98

Finding the Fourth Proportional to 1,224,134.43, 1,687,525.06 and 855,466.98

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Solution

The fourth proportional to 1,224,134.43, 1,687,525.06 and 855,466.98 is: 1,179,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,134.43 : 1,687,525.06 = 855,466.98 : x
  2. Step 2: Convert to fraction form
    1,224,134.43/1,687,525.06 = 855,466.98/x
  3. Step 3: Cross multiply
    1,224,134.43x = 1,687,525.06 × 855,466.98
  4. Step 4: Simplify right side
    1,224,134.43x = 1,443,621,964,679.69
  5. Step 5: Solve for x
    x = 1,443,621,964,679.69/1,224,134.43
  6. Step 6: Final answer
    x = 1,179,300.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.