Home / 1,428,829.23-2,143,617.32-829,213.98

Finding the Fourth Proportional to 1,428,829.23, 2,143,617.32 and 829,213.98

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Solution

The fourth proportional to 1,428,829.23, 2,143,617.32 and 829,213.98 is: 1,244,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,829.23 : 2,143,617.32 = 829,213.98 : x
  2. Step 2: Convert to fraction form
    1,428,829.23/2,143,617.32 = 829,213.98/x
  3. Step 3: Cross multiply
    1,428,829.23x = 2,143,617.32 × 829,213.98
  4. Step 4: Simplify right side
    1,428,829.23x = 1,777,517,445,368.06
  5. Step 5: Solve for x
    x = 1,777,517,445,368.06/1,428,829.23
  6. Step 6: Final answer
    x = 1,244,037.71

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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.