Home / 1,005,334.89-1,509,076.68-406,687.38

Finding the Fourth Proportional to 1,005,334.89, 1,509,076.68 and 406,687.38

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Solution

The fourth proportional to 1,005,334.89, 1,509,076.68 and 406,687.38 is: 610,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,334.89 : 1,509,076.68 = 406,687.38 : x
  2. Step 2: Convert to fraction form
    1,005,334.89/1,509,076.68 = 406,687.38/x
  3. Step 3: Cross multiply
    1,005,334.89x = 1,509,076.68 × 406,687.38
  4. Step 4: Simplify right side
    1,005,334.89x = 613,722,441,208.30
  5. Step 5: Solve for x
    x = 613,722,441,208.30/1,005,334.89
  6. Step 6: Final answer
    x = 610,465.67

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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.