Home / 1,385,270.10-2,077,905.15-1,198,646.10

Finding the Fourth Proportional to 1,385,270.10, 2,077,905.15 and 1,198,646.10

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Solution

The fourth proportional to 1,385,270.10, 2,077,905.15 and 1,198,646.10 is: 1,797,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,270.10 : 2,077,905.15 = 1,198,646.10 : x
  2. Step 2: Convert to fraction form
    1,385,270.10/2,077,905.15 = 1,198,646.10/x
  3. Step 3: Cross multiply
    1,385,270.10x = 2,077,905.15 × 1,198,646.10
  4. Step 4: Simplify right side
    1,385,270.10x = 2,490,672,904,217.42
  5. Step 5: Solve for x
    x = 2,490,672,904,217.42/1,385,270.10
  6. Step 6: Final answer
    x = 1,797,969.15

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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.