Home / 1,155,865.44-1,595,007.36-646,469.40

Finding the Fourth Proportional to 1,155,865.44, 1,595,007.36 and 646,469.40

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Solution

The fourth proportional to 1,155,865.44, 1,595,007.36 and 646,469.40 is: 892,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,865.44 : 1,595,007.36 = 646,469.40 : x
  2. Step 2: Convert to fraction form
    1,155,865.44/1,595,007.36 = 646,469.40/x
  3. Step 3: Cross multiply
    1,155,865.44x = 1,595,007.36 × 646,469.40
  4. Step 4: Simplify right side
    1,155,865.44x = 1,031,123,451,014.78
  5. Step 5: Solve for x
    x = 1,031,123,451,014.78/1,155,865.44
  6. Step 6: Final answer
    x = 892,079.14

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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.