Home / 1,271,274.07-1,754,371.09-690,508.53

Finding the Fourth Proportional to 1,271,274.07, 1,754,371.09 and 690,508.53

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Solution

The fourth proportional to 1,271,274.07, 1,754,371.09 and 690,508.53 is: 952,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,274.07 : 1,754,371.09 = 690,508.53 : x
  2. Step 2: Convert to fraction form
    1,271,274.07/1,754,371.09 = 690,508.53/x
  3. Step 3: Cross multiply
    1,271,274.07x = 1,754,371.09 × 690,508.53
  4. Step 4: Simplify right side
    1,271,274.07x = 1,211,408,202,430.40
  5. Step 5: Solve for x
    x = 1,211,408,202,430.40/1,271,274.07
  6. Step 6: Final answer
    x = 952,908.76

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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.