Home / 1,228,792.50-1,843,499.88-342,328.50

Finding the Fourth Proportional to 1,228,792.50, 1,843,499.88 and 342,328.50

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Solution

The fourth proportional to 1,228,792.50, 1,843,499.88 and 342,328.50 is: 513,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,792.50 : 1,843,499.88 = 342,328.50 : x
  2. Step 2: Convert to fraction form
    1,228,792.50/1,843,499.88 = 342,328.50/x
  3. Step 3: Cross multiply
    1,228,792.50x = 1,843,499.88 × 342,328.50
  4. Step 4: Simplify right side
    1,228,792.50x = 631,082,548,670.58
  5. Step 5: Solve for x
    x = 631,082,548,670.58/1,228,792.50
  6. Step 6: Final answer
    x = 513,579.43

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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.