Home / 1,153,463.30-1,729,676.55-443,255.30

Finding the Fourth Proportional to 1,153,463.30, 1,729,676.55 and 443,255.30

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Solution

The fourth proportional to 1,153,463.30, 1,729,676.55 and 443,255.30 is: 664,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,463.30 : 1,729,676.55 = 443,255.30 : x
  2. Step 2: Convert to fraction form
    1,153,463.30/1,729,676.55 = 443,255.30/x
  3. Step 3: Cross multiply
    1,153,463.30x = 1,729,676.55 × 443,255.30
  4. Step 4: Simplify right side
    1,153,463.30x = 766,688,298,073.22
  5. Step 5: Solve for x
    x = 766,688,298,073.22/1,153,463.30
  6. Step 6: Final answer
    x = 664,683.74

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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.