Home / 1,252,826.24-1,728,904.86-679,866.26

Finding the Fourth Proportional to 1,252,826.24, 1,728,904.86 and 679,866.26

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Solution

The fourth proportional to 1,252,826.24, 1,728,904.86 and 679,866.26 is: 938,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,826.24 : 1,728,904.86 = 679,866.26 : x
  2. Step 2: Convert to fraction form
    1,252,826.24/1,728,904.86 = 679,866.26/x
  3. Step 3: Cross multiply
    1,252,826.24x = 1,728,904.86 × 679,866.26
  4. Step 4: Simplify right side
    1,252,826.24x = 1,175,424,072,419.50
  5. Step 5: Solve for x
    x = 1,175,424,072,419.50/1,252,826.24
  6. Step 6: Final answer
    x = 938,217.96

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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.