Home / 1,369,228.76-1,889,512.38-757,381.04

Finding the Fourth Proportional to 1,369,228.76, 1,889,512.38 and 757,381.04

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Solution

The fourth proportional to 1,369,228.76, 1,889,512.38 and 757,381.04 is: 1,045,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,228.76 : 1,889,512.38 = 757,381.04 : x
  2. Step 2: Convert to fraction form
    1,369,228.76/1,889,512.38 = 757,381.04/x
  3. Step 3: Cross multiply
    1,369,228.76x = 1,889,512.38 × 757,381.04
  4. Step 4: Simplify right side
    1,369,228.76x = 1,431,080,851,457.28
  5. Step 5: Solve for x
    x = 1,431,080,851,457.28/1,369,228.76
  6. Step 6: Final answer
    x = 1,045,172.94

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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.