Home / 1,290,453.76-1,934,419.20-580,660.48

Finding the Fourth Proportional to 1,290,453.76, 1,934,419.20 and 580,660.48

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Solution

The fourth proportional to 1,290,453.76, 1,934,419.20 and 580,660.48 is: 870,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,453.76 : 1,934,419.20 = 580,660.48 : x
  2. Step 2: Convert to fraction form
    1,290,453.76/1,934,419.20 = 580,660.48/x
  3. Step 3: Cross multiply
    1,290,453.76x = 1,934,419.20 × 580,660.48
  4. Step 4: Simplify right side
    1,290,453.76x = 1,123,240,781,193.22
  5. Step 5: Solve for x
    x = 1,123,240,781,193.22/1,290,453.76
  6. Step 6: Final answer
    x = 870,423.11

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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.