Home / 1,228,716.76-1,695,423.72-684,733.36

Finding the Fourth Proportional to 1,228,716.76, 1,695,423.72 and 684,733.36

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Solution

The fourth proportional to 1,228,716.76, 1,695,423.72 and 684,733.36 is: 944,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,716.76 : 1,695,423.72 = 684,733.36 : x
  2. Step 2: Convert to fraction form
    1,228,716.76/1,695,423.72 = 684,733.36/x
  3. Step 3: Cross multiply
    1,228,716.76x = 1,695,423.72 × 684,733.36
  4. Step 4: Simplify right side
    1,228,716.76x = 1,160,913,180,419.30
  5. Step 5: Solve for x
    x = 1,160,913,180,419.30/1,228,716.76
  6. Step 6: Final answer
    x = 944,817.57

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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.