Home / 681,173.52-1,021,821.84-260,453.04

Finding the Fourth Proportional to 681,173.52, 1,021,821.84 and 260,453.04

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Solution

The fourth proportional to 681,173.52, 1,021,821.84 and 260,453.04 is: 390,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,173.52 : 1,021,821.84 = 260,453.04 : x
  2. Step 2: Convert to fraction form
    681,173.52/1,021,821.84 = 260,453.04/x
  3. Step 3: Cross multiply
    681,173.52x = 1,021,821.84 × 260,453.04
  4. Step 4: Simplify right side
    681,173.52x = 266,136,604,566.39
  5. Step 5: Solve for x
    x = 266,136,604,566.39/681,173.52
  6. Step 6: Final answer
    x = 390,703.10

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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.