Home / 1,274,344.72-1,911,558.48-375,711.12

Finding the Fourth Proportional to 1,274,344.72, 1,911,558.48 and 375,711.12

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Solution

The fourth proportional to 1,274,344.72, 1,911,558.48 and 375,711.12 is: 563,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,344.72 : 1,911,558.48 = 375,711.12 : x
  2. Step 2: Convert to fraction form
    1,274,344.72/1,911,558.48 = 375,711.12/x
  3. Step 3: Cross multiply
    1,274,344.72x = 1,911,558.48 × 375,711.12
  4. Step 4: Simplify right side
    1,274,344.72x = 718,193,777,466.30
  5. Step 5: Solve for x
    x = 718,193,777,466.30/1,274,344.72
  6. Step 6: Final answer
    x = 563,578.89

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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.