Home / 1,379,745.60-2,069,618.94-620,700.45

Finding the Fourth Proportional to 1,379,745.60, 2,069,618.94 and 620,700.45

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Solution

The fourth proportional to 1,379,745.60, 2,069,618.94 and 620,700.45 is: 931,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,745.60 : 2,069,618.94 = 620,700.45 : x
  2. Step 2: Convert to fraction form
    1,379,745.60/2,069,618.94 = 620,700.45/x
  3. Step 3: Cross multiply
    1,379,745.60x = 2,069,618.94 × 620,700.45
  4. Step 4: Simplify right side
    1,379,745.60x = 1,284,613,407,386.52
  5. Step 5: Solve for x
    x = 1,284,613,407,386.52/1,379,745.60
  6. Step 6: Final answer
    x = 931,050.92

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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.