Home / 1,512,226.80-2,265,715.80-1,276,030.80

Finding the Fourth Proportional to 1,512,226.80, 2,265,715.80 and 1,276,030.80

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Solution

The fourth proportional to 1,512,226.80, 2,265,715.80 and 1,276,030.80 is: 1,911,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,226.80 : 2,265,715.80 = 1,276,030.80 : x
  2. Step 2: Convert to fraction form
    1,512,226.80/2,265,715.80 = 1,276,030.80/x
  3. Step 3: Cross multiply
    1,512,226.80x = 2,265,715.80 × 1,276,030.80
  4. Step 4: Simplify right side
    1,512,226.80x = 2,891,123,144,846.64
  5. Step 5: Solve for x
    x = 2,891,123,144,846.64/1,512,226.80
  6. Step 6: Final answer
    x = 1,911,831.71

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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.