Home / 1,155,583.78-1,595,216.38-690,601.69

Finding the Fourth Proportional to 1,155,583.78, 1,595,216.38 and 690,601.69

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Solution

The fourth proportional to 1,155,583.78, 1,595,216.38 and 690,601.69 is: 953,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,583.78 : 1,595,216.38 = 690,601.69 : x
  2. Step 2: Convert to fraction form
    1,155,583.78/1,595,216.38 = 690,601.69/x
  3. Step 3: Cross multiply
    1,155,583.78x = 1,595,216.38 × 690,601.69
  4. Step 4: Simplify right side
    1,155,583.78x = 1,101,659,128,211.20
  5. Step 5: Solve for x
    x = 1,101,659,128,211.20/1,155,583.78
  6. Step 6: Final answer
    x = 953,335.58

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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.