Home / 1,277,299.53-1,915,480.31-424,216.44

Finding the Fourth Proportional to 1,277,299.53, 1,915,480.31 and 424,216.44

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Solution

The fourth proportional to 1,277,299.53, 1,915,480.31 and 424,216.44 is: 636,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,299.53 : 1,915,480.31 = 424,216.44 : x
  2. Step 2: Convert to fraction form
    1,277,299.53/1,915,480.31 = 424,216.44/x
  3. Step 3: Cross multiply
    1,277,299.53x = 1,915,480.31 × 424,216.44
  4. Step 4: Simplify right side
    1,277,299.53x = 812,578,235,877.21
  5. Step 5: Solve for x
    x = 812,578,235,877.21/1,277,299.53
  6. Step 6: Final answer
    x = 636,168.90

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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.