Home / 1,263,697-1,895,545.76-422,248.84

Finding the Fourth Proportional to 1,263,697, 1,895,545.76 and 422,248.84

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Solution

The fourth proportional to 1,263,697, 1,895,545.76 and 422,248.84 is: 633,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,697 : 1,895,545.76 = 422,248.84 : x
  2. Step 2: Convert to fraction form
    1,263,697/1,895,545.76 = 422,248.84/x
  3. Step 3: Cross multiply
    1,263,697x = 1,895,545.76 × 422,248.84
  4. Step 4: Simplify right side
    1,263,697x = 800,391,998,326.92
  5. Step 5: Solve for x
    x = 800,391,998,326.92/1,263,697
  6. Step 6: Final answer
    x = 633,373.35

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Double scale
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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.