Home / 1,048,408.66-1,572,428.47-279,915.91

Finding the Fourth Proportional to 1,048,408.66, 1,572,428.47 and 279,915.91

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Solution

The fourth proportional to 1,048,408.66, 1,572,428.47 and 279,915.91 is: 419,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,408.66 : 1,572,428.47 = 279,915.91 : x
  2. Step 2: Convert to fraction form
    1,048,408.66/1,572,428.47 = 279,915.91/x
  3. Step 3: Cross multiply
    1,048,408.66x = 1,572,428.47 × 279,915.91
  4. Step 4: Simplify right side
    1,048,408.66x = 440,147,744,690.38
  5. Step 5: Solve for x
    x = 440,147,744,690.38/1,048,408.66
  6. Step 6: Final answer
    x = 419,824.60

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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.