Home / 1,431,584.24-1,975,623.95-787,020.67

Finding the Fourth Proportional to 1,431,584.24, 1,975,623.95 and 787,020.67

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Solution

The fourth proportional to 1,431,584.24, 1,975,623.95 and 787,020.67 is: 1,086,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,584.24 : 1,975,623.95 = 787,020.67 : x
  2. Step 2: Convert to fraction form
    1,431,584.24/1,975,623.95 = 787,020.67/x
  3. Step 3: Cross multiply
    1,431,584.24x = 1,975,623.95 × 787,020.67
  4. Step 4: Simplify right side
    1,431,584.24x = 1,554,856,870,983.82
  5. Step 5: Solve for x
    x = 1,554,856,870,983.82/1,431,584.24
  6. Step 6: Final answer
    x = 1,086,109.24

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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.