Home / 1,235,638.40-1,854,494.40-605,091.20

Finding the Fourth Proportional to 1,235,638.40, 1,854,494.40 and 605,091.20

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Solution

The fourth proportional to 1,235,638.40, 1,854,494.40 and 605,091.20 is: 908,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,638.40 : 1,854,494.40 = 605,091.20 : x
  2. Step 2: Convert to fraction form
    1,235,638.40/1,854,494.40 = 605,091.20/x
  3. Step 3: Cross multiply
    1,235,638.40x = 1,854,494.40 × 605,091.20
  4. Step 4: Simplify right side
    1,235,638.40x = 1,122,138,241,889.28
  5. Step 5: Solve for x
    x = 1,122,138,241,889.28/1,235,638.40
  6. Step 6: Final answer
    x = 908,144.52

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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.