Home / 1,252,383.30-1,728,289.59-679,423.41

Finding the Fourth Proportional to 1,252,383.30, 1,728,289.59 and 679,423.41

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Solution

The fourth proportional to 1,252,383.30, 1,728,289.59 and 679,423.41 is: 937,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,383.30 : 1,728,289.59 = 679,423.41 : x
  2. Step 2: Convert to fraction form
    1,252,383.30/1,728,289.59 = 679,423.41/x
  3. Step 3: Cross multiply
    1,252,383.30x = 1,728,289.59 × 679,423.41
  4. Step 4: Simplify right side
    1,252,383.30x = 1,174,240,406,705.30
  5. Step 5: Solve for x
    x = 1,174,240,406,705.30/1,252,383.30
  6. Step 6: Final answer
    x = 937,604.65

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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.