Home / 1,102,005.60-1,652,366-427,298.72

Finding the Fourth Proportional to 1,102,005.60, 1,652,366 and 427,298.72

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Solution

The fourth proportional to 1,102,005.60, 1,652,366 and 427,298.72 is: 640,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,005.60 : 1,652,366 = 427,298.72 : x
  2. Step 2: Convert to fraction form
    1,102,005.60/1,652,366 = 427,298.72/x
  3. Step 3: Cross multiply
    1,102,005.60x = 1,652,366 × 427,298.72
  4. Step 4: Simplify right side
    1,102,005.60x = 706,053,876,771.52
  5. Step 5: Solve for x
    x = 706,053,876,771.52/1,102,005.60
  6. Step 6: Final answer
    x = 640,698.99

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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.