Home / 1,117,745.50-1,542,488.98-608,451.70

Finding the Fourth Proportional to 1,117,745.50, 1,542,488.98 and 608,451.70

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Solution

The fourth proportional to 1,117,745.50, 1,542,488.98 and 608,451.70 is: 839,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,745.50 : 1,542,488.98 = 608,451.70 : x
  2. Step 2: Convert to fraction form
    1,117,745.50/1,542,488.98 = 608,451.70/x
  3. Step 3: Cross multiply
    1,117,745.50x = 1,542,488.98 × 608,451.70
  4. Step 4: Simplify right side
    1,117,745.50x = 938,530,042,112.27
  5. Step 5: Solve for x
    x = 938,530,042,112.27/1,117,745.50
  6. Step 6: Final answer
    x = 839,663.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.