Home / 1,651,831.23-2,478,649.59-640,992.94

Finding the Fourth Proportional to 1,651,831.23, 2,478,649.59 and 640,992.94

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Solution

The fourth proportional to 1,651,831.23, 2,478,649.59 and 640,992.94 is: 961,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,831.23 : 2,478,649.59 = 640,992.94 : x
  2. Step 2: Convert to fraction form
    1,651,831.23/2,478,649.59 = 640,992.94/x
  3. Step 3: Cross multiply
    1,651,831.23x = 2,478,649.59 × 640,992.94
  4. Step 4: Simplify right side
    1,651,831.23x = 1,588,796,887,923.89
  5. Step 5: Solve for x
    x = 1,588,796,887,923.89/1,651,831.23
  6. Step 6: Final answer
    x = 961,839.72

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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.