Home / 1,958,099.34-2,936,431.40-678,376.30

Finding the Fourth Proportional to 1,958,099.34, 2,936,431.40 and 678,376.30

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Solution

The fourth proportional to 1,958,099.34, 2,936,431.40 and 678,376.30 is: 1,017,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,099.34 : 2,936,431.40 = 678,376.30 : x
  2. Step 2: Convert to fraction form
    1,958,099.34/2,936,431.40 = 678,376.30/x
  3. Step 3: Cross multiply
    1,958,099.34x = 2,936,431.40 × 678,376.30
  4. Step 4: Simplify right side
    1,958,099.34x = 1,992,005,468,335.82
  5. Step 5: Solve for x
    x = 1,992,005,468,335.82/1,958,099.34
  6. Step 6: Final answer
    x = 1,017,315.84

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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.