Home / 1,511,428.32-2,267,441.40-431,950.56

Finding the Fourth Proportional to 1,511,428.32, 2,267,441.40 and 431,950.56

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Solution

The fourth proportional to 1,511,428.32, 2,267,441.40 and 431,950.56 is: 648,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,428.32 : 2,267,441.40 = 431,950.56 : x
  2. Step 2: Convert to fraction form
    1,511,428.32/2,267,441.40 = 431,950.56/x
  3. Step 3: Cross multiply
    1,511,428.32x = 2,267,441.40 × 431,950.56
  4. Step 4: Simplify right side
    1,511,428.32x = 979,422,582,497.18
  5. Step 5: Solve for x
    x = 979,422,582,497.18/1,511,428.32
  6. Step 6: Final answer
    x = 648,011.27

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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.