Home / 1,126,352.57-1,689,513.44-273,430.76

Finding the Fourth Proportional to 1,126,352.57, 1,689,513.44 and 273,430.76

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Solution

The fourth proportional to 1,126,352.57, 1,689,513.44 and 273,430.76 is: 410,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,352.57 : 1,689,513.44 = 273,430.76 : x
  2. Step 2: Convert to fraction form
    1,126,352.57/1,689,513.44 = 273,430.76/x
  3. Step 3: Cross multiply
    1,126,352.57x = 1,689,513.44 × 273,430.76
  4. Step 4: Simplify right side
    1,126,352.57x = 461,964,934,114.69
  5. Step 5: Solve for x
    x = 461,964,934,114.69/1,126,352.57
  6. Step 6: Final answer
    x = 410,142.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.