Home / 1,288,664-1,778,252.22-744,835

Finding the Fourth Proportional to 1,288,664, 1,778,252.22 and 744,835

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Solution

The fourth proportional to 1,288,664, 1,778,252.22 and 744,835 is: 1,027,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,664 : 1,778,252.22 = 744,835 : x
  2. Step 2: Convert to fraction form
    1,288,664/1,778,252.22 = 744,835/x
  3. Step 3: Cross multiply
    1,288,664x = 1,778,252.22 × 744,835
  4. Step 4: Simplify right side
    1,288,664x = 1,324,504,492,283.70
  5. Step 5: Solve for x
    x = 1,324,504,492,283.70/1,288,664
  6. Step 6: Final answer
    x = 1,027,812.13

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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.