Home / 1,047,428.74-1,571,157.68-299,474.74

Finding the Fourth Proportional to 1,047,428.74, 1,571,157.68 and 299,474.74

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Solution

The fourth proportional to 1,047,428.74, 1,571,157.68 and 299,474.74 is: 449,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,428.74 : 1,571,157.68 = 299,474.74 : x
  2. Step 2: Convert to fraction form
    1,047,428.74/1,571,157.68 = 299,474.74/x
  3. Step 3: Cross multiply
    1,047,428.74x = 1,571,157.68 × 299,474.74
  4. Step 4: Simplify right side
    1,047,428.74x = 470,522,037,717.00
  5. Step 5: Solve for x
    x = 470,522,037,717.00/1,047,428.74
  6. Step 6: Final answer
    x = 449,216.28

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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.