Home / 1,131,860-1,562,188.64-648,748.96

Finding the Fourth Proportional to 1,131,860, 1,562,188.64 and 648,748.96

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Solution

The fourth proportional to 1,131,860, 1,562,188.64 and 648,748.96 is: 895,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,860 : 1,562,188.64 = 648,748.96 : x
  2. Step 2: Convert to fraction form
    1,131,860/1,562,188.64 = 648,748.96/x
  3. Step 3: Cross multiply
    1,131,860x = 1,562,188.64 × 648,748.96
  4. Step 4: Simplify right side
    1,131,860x = 1,013,468,255,523.81
  5. Step 5: Solve for x
    x = 1,013,468,255,523.81/1,131,860
  6. Step 6: Final answer
    x = 895,400.72

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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.