Home / 1,470,837.60-2,206,383.57-405,879.71

Finding the Fourth Proportional to 1,470,837.60, 2,206,383.57 and 405,879.71

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Solution

The fourth proportional to 1,470,837.60, 2,206,383.57 and 405,879.71 is: 608,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,837.60 : 2,206,383.57 = 405,879.71 : x
  2. Step 2: Convert to fraction form
    1,470,837.60/2,206,383.57 = 405,879.71/x
  3. Step 3: Cross multiply
    1,470,837.60x = 2,206,383.57 × 405,879.71
  4. Step 4: Simplify right side
    1,470,837.60x = 895,526,312,508.45
  5. Step 5: Solve for x
    x = 895,526,312,508.45/1,470,837.60
  6. Step 6: Final answer
    x = 608,854.65

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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.