Home / 1,235,999.90-1,853,999.85-970,579.10

Finding the Fourth Proportional to 1,235,999.90, 1,853,999.85 and 970,579.10

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Solution

The fourth proportional to 1,235,999.90, 1,853,999.85 and 970,579.10 is: 1,455,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,999.90 : 1,853,999.85 = 970,579.10 : x
  2. Step 2: Convert to fraction form
    1,235,999.90/1,853,999.85 = 970,579.10/x
  3. Step 3: Cross multiply
    1,235,999.90x = 1,853,999.85 × 970,579.10
  4. Step 4: Simplify right side
    1,235,999.90x = 1,799,453,505,813.14
  5. Step 5: Solve for x
    x = 1,799,453,505,813.14/1,235,999.90
  6. Step 6: Final answer
    x = 1,455,868.65

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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.