Home / 1,631,703.56-2,447,185.74-620,465

Finding the Fourth Proportional to 1,631,703.56, 2,447,185.74 and 620,465

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Solution

The fourth proportional to 1,631,703.56, 2,447,185.74 and 620,465 is: 930,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,703.56 : 2,447,185.74 = 620,465 : x
  2. Step 2: Convert to fraction form
    1,631,703.56/2,447,185.74 = 620,465/x
  3. Step 3: Cross multiply
    1,631,703.56x = 2,447,185.74 × 620,465
  4. Step 4: Simplify right side
    1,631,703.56x = 1,518,393,100,169.10
  5. Step 5: Solve for x
    x = 1,518,393,100,169.10/1,631,703.56
  6. Step 6: Final answer
    x = 930,556.96

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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.