Home / 1,252,758.54-1,728,811.38-679,798.70

Finding the Fourth Proportional to 1,252,758.54, 1,728,811.38 and 679,798.70

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Solution

The fourth proportional to 1,252,758.54, 1,728,811.38 and 679,798.70 is: 938,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,758.54 : 1,728,811.38 = 679,798.70 : x
  2. Step 2: Convert to fraction form
    1,252,758.54/1,728,811.38 = 679,798.70/x
  3. Step 3: Cross multiply
    1,252,758.54x = 1,728,811.38 × 679,798.70
  4. Step 4: Simplify right side
    1,252,758.54x = 1,175,243,728,669.21
  5. Step 5: Solve for x
    x = 1,175,243,728,669.21/1,252,758.54
  6. Step 6: Final answer
    x = 938,124.70

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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.