Home / 1,388,626.80-2,082,421.80-547,004.40

Finding the Fourth Proportional to 1,388,626.80, 2,082,421.80 and 547,004.40

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Solution

The fourth proportional to 1,388,626.80, 2,082,421.80 and 547,004.40 is: 820,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,626.80 : 2,082,421.80 = 547,004.40 : x
  2. Step 2: Convert to fraction form
    1,388,626.80/2,082,421.80 = 547,004.40/x
  3. Step 3: Cross multiply
    1,388,626.80x = 2,082,421.80 × 547,004.40
  4. Step 4: Simplify right side
    1,388,626.80x = 1,139,093,887,255.92
  5. Step 5: Solve for x
    x = 1,139,093,887,255.92/1,388,626.80
  6. Step 6: Final answer
    x = 820,302.39

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1.5x scale

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.