Home / 1,273,328.63-1,757,443.12-729,828.70

Finding the Fourth Proportional to 1,273,328.63, 1,757,443.12 and 729,828.70

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Solution

The fourth proportional to 1,273,328.63, 1,757,443.12 and 729,828.70 is: 1,007,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,328.63 : 1,757,443.12 = 729,828.70 : x
  2. Step 2: Convert to fraction form
    1,273,328.63/1,757,443.12 = 729,828.70/x
  3. Step 3: Cross multiply
    1,273,328.63x = 1,757,443.12 × 729,828.70
  4. Step 4: Simplify right side
    1,273,328.63x = 1,282,632,421,375.36
  5. Step 5: Solve for x
    x = 1,282,632,421,375.36/1,273,328.63
  6. Step 6: Final answer
    x = 1,007,306.67

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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.