Home / 1,443,092.45-2,164,029.60-432,358.05

Finding the Fourth Proportional to 1,443,092.45, 2,164,029.60 and 432,358.05

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Solution

The fourth proportional to 1,443,092.45, 2,164,029.60 and 432,358.05 is: 648,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,092.45 : 2,164,029.60 = 432,358.05 : x
  2. Step 2: Convert to fraction form
    1,443,092.45/2,164,029.60 = 432,358.05/x
  3. Step 3: Cross multiply
    1,443,092.45x = 2,164,029.60 × 432,358.05
  4. Step 4: Simplify right side
    1,443,092.45x = 935,635,617,998.28
  5. Step 5: Solve for x
    x = 935,635,617,998.28/1,443,092.45
  6. Step 6: Final answer
    x = 648,354.60

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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.