Home / 1,443,619.40-2,165,429.10-995,721.80

Finding the Fourth Proportional to 1,443,619.40, 2,165,429.10 and 995,721.80

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Solution

The fourth proportional to 1,443,619.40, 2,165,429.10 and 995,721.80 is: 1,493,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,619.40 : 2,165,429.10 = 995,721.80 : x
  2. Step 2: Convert to fraction form
    1,443,619.40/2,165,429.10 = 995,721.80/x
  3. Step 3: Cross multiply
    1,443,619.40x = 2,165,429.10 × 995,721.80
  4. Step 4: Simplify right side
    1,443,619.40x = 2,156,164,961,224.38
  5. Step 5: Solve for x
    x = 2,156,164,961,224.38/1,443,619.40
  6. Step 6: Final answer
    x = 1,493,582.70

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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.