Home / 1,235,452.20-1,705,128.09-847,949.29

Finding the Fourth Proportional to 1,235,452.20, 1,705,128.09 and 847,949.29

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Solution

The fourth proportional to 1,235,452.20, 1,705,128.09 and 847,949.29 is: 1,170,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,452.20 : 1,705,128.09 = 847,949.29 : x
  2. Step 2: Convert to fraction form
    1,235,452.20/1,705,128.09 = 847,949.29/x
  3. Step 3: Cross multiply
    1,235,452.20x = 1,705,128.09 × 847,949.29
  4. Step 4: Simplify right side
    1,235,452.20x = 1,445,862,140,509.17
  5. Step 5: Solve for x
    x = 1,445,862,140,509.17/1,235,452.20
  6. Step 6: Final answer
    x = 1,170,310.06

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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.