Home / 1,275,949.64-1,760,809.53-702,989.81

Finding the Fourth Proportional to 1,275,949.64, 1,760,809.53 and 702,989.81

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Solution

The fourth proportional to 1,275,949.64, 1,760,809.53 and 702,989.81 is: 970,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,949.64 : 1,760,809.53 = 702,989.81 : x
  2. Step 2: Convert to fraction form
    1,275,949.64/1,760,809.53 = 702,989.81/x
  3. Step 3: Cross multiply
    1,275,949.64x = 1,760,809.53 × 702,989.81
  4. Step 4: Simplify right side
    1,275,949.64x = 1,237,831,148,136.84
  5. Step 5: Solve for x
    x = 1,237,831,148,136.84/1,275,949.64
  6. Step 6: Final answer
    x = 970,125.40

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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.