Home / 1,311,693.62-1,967,816.91-425,160.50

Finding the Fourth Proportional to 1,311,693.62, 1,967,816.91 and 425,160.50

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Solution

The fourth proportional to 1,311,693.62, 1,967,816.91 and 425,160.50 is: 637,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,693.62 : 1,967,816.91 = 425,160.50 : x
  2. Step 2: Convert to fraction form
    1,311,693.62/1,967,816.91 = 425,160.50/x
  3. Step 3: Cross multiply
    1,311,693.62x = 1,967,816.91 × 425,160.50
  4. Step 4: Simplify right side
    1,311,693.62x = 836,638,021,364.06
  5. Step 5: Solve for x
    x = 836,638,021,364.06/1,311,693.62
  6. Step 6: Final answer
    x = 637,830.37

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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.