Home / 1,155,890.10-1,595,212.44-646,756.50

Finding the Fourth Proportional to 1,155,890.10, 1,595,212.44 and 646,756.50

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Solution

The fourth proportional to 1,155,890.10, 1,595,212.44 and 646,756.50 is: 892,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,890.10 : 1,595,212.44 = 646,756.50 : x
  2. Step 2: Convert to fraction form
    1,155,890.10/1,595,212.44 = 646,756.50/x
  3. Step 3: Cross multiply
    1,155,890.10x = 1,595,212.44 × 646,756.50
  4. Step 4: Simplify right side
    1,155,890.10x = 1,031,714,014,450.86
  5. Step 5: Solve for x
    x = 1,031,714,014,450.86/1,155,890.10
  6. Step 6: Final answer
    x = 892,571.03

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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.