Home / 1,102,353.91-1,652,887.35-427,646.86

Finding the Fourth Proportional to 1,102,353.91, 1,652,887.35 and 427,646.86

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Solution

The fourth proportional to 1,102,353.91, 1,652,887.35 and 427,646.86 is: 641,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,353.91 : 1,652,887.35 = 427,646.86 : x
  2. Step 2: Convert to fraction form
    1,102,353.91/1,652,887.35 = 427,646.86/x
  3. Step 3: Cross multiply
    1,102,353.91x = 1,652,887.35 × 427,646.86
  4. Step 4: Simplify right side
    1,102,353.91x = 706,852,081,029.00
  5. Step 5: Solve for x
    x = 706,852,081,029.00/1,102,353.91
  6. Step 6: Final answer
    x = 641,220.64

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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.