Home / 1,338,290.48-2,006,385.96-663,897.44

Finding the Fourth Proportional to 1,338,290.48, 2,006,385.96 and 663,897.44

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Solution

The fourth proportional to 1,338,290.48, 2,006,385.96 and 663,897.44 is: 995,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,290.48 : 2,006,385.96 = 663,897.44 : x
  2. Step 2: Convert to fraction form
    1,338,290.48/2,006,385.96 = 663,897.44/x
  3. Step 3: Cross multiply
    1,338,290.48x = 2,006,385.96 × 663,897.44
  4. Step 4: Simplify right side
    1,338,290.48x = 1,332,034,502,495.94
  5. Step 5: Solve for x
    x = 1,332,034,502,495.94/1,338,290.48
  6. Step 6: Final answer
    x = 995,325.40

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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.