Home / 1,313,423.88-1,969,972.74-353,954.50

Finding the Fourth Proportional to 1,313,423.88, 1,969,972.74 and 353,954.50

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Solution

The fourth proportional to 1,313,423.88, 1,969,972.74 and 353,954.50 is: 530,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,423.88 : 1,969,972.74 = 353,954.50 : x
  2. Step 2: Convert to fraction form
    1,313,423.88/1,969,972.74 = 353,954.50/x
  3. Step 3: Cross multiply
    1,313,423.88x = 1,969,972.74 × 353,954.50
  4. Step 4: Simplify right side
    1,313,423.88x = 697,280,716,200.33
  5. Step 5: Solve for x
    x = 697,280,716,200.33/1,313,423.88
  6. Step 6: Final answer
    x = 530,887.80

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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.