Home / 1,681,546.03-2,520,205.45-720,865.17

Finding the Fourth Proportional to 1,681,546.03, 2,520,205.45 and 720,865.17

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Solution

The fourth proportional to 1,681,546.03, 2,520,205.45 and 720,865.17 is: 1,080,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,546.03 : 2,520,205.45 = 720,865.17 : x
  2. Step 2: Convert to fraction form
    1,681,546.03/2,520,205.45 = 720,865.17/x
  3. Step 3: Cross multiply
    1,681,546.03x = 2,520,205.45 × 720,865.17
  4. Step 4: Simplify right side
    1,681,546.03x = 1,816,728,328,347.01
  5. Step 5: Solve for x
    x = 1,816,728,328,347.01/1,681,546.03
  6. Step 6: Final answer
    x = 1,080,391.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.