Home / 1,118,370.38-1,543,394.82-634,980.50

Finding the Fourth Proportional to 1,118,370.38, 1,543,394.82 and 634,980.50

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Solution

The fourth proportional to 1,118,370.38, 1,543,394.82 and 634,980.50 is: 876,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,370.38 : 1,543,394.82 = 634,980.50 : x
  2. Step 2: Convert to fraction form
    1,118,370.38/1,543,394.82 = 634,980.50/x
  3. Step 3: Cross multiply
    1,118,370.38x = 1,543,394.82 × 634,980.50
  4. Step 4: Simplify right side
    1,118,370.38x = 980,025,611,326.11
  5. Step 5: Solve for x
    x = 980,025,611,326.11/1,118,370.38
  6. Step 6: Final answer
    x = 876,297.90

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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.