Home / 1,470,789.86-2,206,311.91-405,831.92

Finding the Fourth Proportional to 1,470,789.86, 2,206,311.91 and 405,831.92

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Solution

The fourth proportional to 1,470,789.86, 2,206,311.91 and 405,831.92 is: 608,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,789.86 : 2,206,311.91 = 405,831.92 : x
  2. Step 2: Convert to fraction form
    1,470,789.86/2,206,311.91 = 405,831.92/x
  3. Step 3: Cross multiply
    1,470,789.86x = 2,206,311.91 × 405,831.92
  4. Step 4: Simplify right side
    1,470,789.86x = 895,391,798,554.17
  5. Step 5: Solve for x
    x = 895,391,798,554.17/1,470,789.86
  6. Step 6: Final answer
    x = 608,782.96

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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.