Home / 1,175,485.60-1,763,919.60-427,434.40

Finding the Fourth Proportional to 1,175,485.60, 1,763,919.60 and 427,434.40

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Solution

The fourth proportional to 1,175,485.60, 1,763,919.60 and 427,434.40 is: 641,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,485.60 : 1,763,919.60 = 427,434.40 : x
  2. Step 2: Convert to fraction form
    1,175,485.60/1,763,919.60 = 427,434.40/x
  3. Step 3: Cross multiply
    1,175,485.60x = 1,763,919.60 × 427,434.40
  4. Step 4: Simplify right side
    1,175,485.60x = 753,959,915,874.24
  5. Step 5: Solve for x
    x = 753,959,915,874.24/1,175,485.60
  6. Step 6: Final answer
    x = 641,402.94

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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.