Home / 1,689,598.32-2,534,406.12-427,427.04

Finding the Fourth Proportional to 1,689,598.32, 2,534,406.12 and 427,427.04

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Solution

The fourth proportional to 1,689,598.32, 2,534,406.12 and 427,427.04 is: 641,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,598.32 : 2,534,406.12 = 427,427.04 : x
  2. Step 2: Convert to fraction form
    1,689,598.32/2,534,406.12 = 427,427.04/x
  3. Step 3: Cross multiply
    1,689,598.32x = 2,534,406.12 × 427,427.04
  4. Step 4: Simplify right side
    1,689,598.32x = 1,083,273,706,029.48
  5. Step 5: Solve for x
    x = 1,083,273,706,029.48/1,689,598.32
  6. Step 6: Final answer
    x = 641,142.75

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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.