Home / 1,416,679.48-1,954,960.77-772,085.86

Finding the Fourth Proportional to 1,416,679.48, 1,954,960.77 and 772,085.86

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Solution

The fourth proportional to 1,416,679.48, 1,954,960.77 and 772,085.86 is: 1,065,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,679.48 : 1,954,960.77 = 772,085.86 : x
  2. Step 2: Convert to fraction form
    1,416,679.48/1,954,960.77 = 772,085.86/x
  3. Step 3: Cross multiply
    1,416,679.48x = 1,954,960.77 × 772,085.86
  4. Step 4: Simplify right side
    1,416,679.48x = 1,509,397,567,371.71
  5. Step 5: Solve for x
    x = 1,509,397,567,371.71/1,416,679.48
  6. Step 6: Final answer
    x = 1,065,447.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.