Home / 1,271,262.29-1,754,354.79-690,491.03

Finding the Fourth Proportional to 1,271,262.29, 1,754,354.79 and 690,491.03

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Solution

The fourth proportional to 1,271,262.29, 1,754,354.79 and 690,491.03 is: 952,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,262.29 : 1,754,354.79 = 690,491.03 : x
  2. Step 2: Convert to fraction form
    1,271,262.29/1,754,354.79 = 690,491.03/x
  3. Step 3: Cross multiply
    1,271,262.29x = 1,754,354.79 × 690,491.03
  4. Step 4: Simplify right side
    1,271,262.29x = 1,211,366,237,160.76
  5. Step 5: Solve for x
    x = 1,211,366,237,160.76/1,271,262.29
  6. Step 6: Final answer
    x = 952,884.59

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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.