Home / 756,415.40-1,134,623.10-673,746.80

Finding the Fourth Proportional to 756,415.40, 1,134,623.10 and 673,746.80

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Solution

The fourth proportional to 756,415.40, 1,134,623.10 and 673,746.80 is: 1,010,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,415.40 : 1,134,623.10 = 673,746.80 : x
  2. Step 2: Convert to fraction form
    756,415.40/1,134,623.10 = 673,746.80/x
  3. Step 3: Cross multiply
    756,415.40x = 1,134,623.10 × 673,746.80
  4. Step 4: Simplify right side
    756,415.40x = 764,448,682,831.08
  5. Step 5: Solve for x
    x = 764,448,682,831.08/756,415.40
  6. Step 6: Final answer
    x = 1,010,620.20

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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.