Home / 1,307,961.40-1,804,776.78-734,999.80

Finding the Fourth Proportional to 1,307,961.40, 1,804,776.78 and 734,999.80

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Solution

The fourth proportional to 1,307,961.40, 1,804,776.78 and 734,999.80 is: 1,014,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,961.40 : 1,804,776.78 = 734,999.80 : x
  2. Step 2: Convert to fraction form
    1,307,961.40/1,804,776.78 = 734,999.80/x
  3. Step 3: Cross multiply
    1,307,961.40x = 1,804,776.78 × 734,999.80
  4. Step 4: Simplify right side
    1,307,961.40x = 1,326,510,572,344.64
  5. Step 5: Solve for x
    x = 1,326,510,572,344.64/1,307,961.40
  6. Step 6: Final answer
    x = 1,014,181.74

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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.