Home / 3,132,080.72-4,698,123.96-768,176.72

Finding the Fourth Proportional to 3,132,080.72, 4,698,123.96 and 768,176.72

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Solution

The fourth proportional to 3,132,080.72, 4,698,123.96 and 768,176.72 is: 1,152,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,080.72 : 4,698,123.96 = 768,176.72 : x
  2. Step 2: Convert to fraction form
    3,132,080.72/4,698,123.96 = 768,176.72/x
  3. Step 3: Cross multiply
    3,132,080.72x = 4,698,123.96 × 768,176.72
  4. Step 4: Simplify right side
    3,132,080.72x = 3,608,989,453,746.21
  5. Step 5: Solve for x
    x = 3,608,989,453,746.21/3,132,080.72
  6. Step 6: Final answer
    x = 1,152,265.79

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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.