Home / 1,174,151.29-1,620,301.38-690,747.58

Finding the Fourth Proportional to 1,174,151.29, 1,620,301.38 and 690,747.58

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Solution

The fourth proportional to 1,174,151.29, 1,620,301.38 and 690,747.58 is: 953,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,151.29 : 1,620,301.38 = 690,747.58 : x
  2. Step 2: Convert to fraction form
    1,174,151.29/1,620,301.38 = 690,747.58/x
  3. Step 3: Cross multiply
    1,174,151.29x = 1,620,301.38 × 690,747.58
  4. Step 4: Simplify right side
    1,174,151.29x = 1,119,219,257,105.66
  5. Step 5: Solve for x
    x = 1,119,219,257,105.66/1,174,151.29
  6. Step 6: Final answer
    x = 953,215.54

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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.