Home / 1,311,691.62-1,967,813.91-425,158.50

Finding the Fourth Proportional to 1,311,691.62, 1,967,813.91 and 425,158.50

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Solution

The fourth proportional to 1,311,691.62, 1,967,813.91 and 425,158.50 is: 637,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,691.62 : 1,967,813.91 = 425,158.50 : x
  2. Step 2: Convert to fraction form
    1,311,691.62/1,967,813.91 = 425,158.50/x
  3. Step 3: Cross multiply
    1,311,691.62x = 1,967,813.91 × 425,158.50
  4. Step 4: Simplify right side
    1,311,691.62x = 836,632,810,254.74
  5. Step 5: Solve for x
    x = 836,632,810,254.74/1,311,691.62
  6. Step 6: Final answer
    x = 637,827.37

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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.