Home / 1,320,444.70-1,978,370.70-609,013.60

Finding the Fourth Proportional to 1,320,444.70, 1,978,370.70 and 609,013.60

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Solution

The fourth proportional to 1,320,444.70, 1,978,370.70 and 609,013.60 is: 912,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,444.70 : 1,978,370.70 = 609,013.60 : x
  2. Step 2: Convert to fraction form
    1,320,444.70/1,978,370.70 = 609,013.60/x
  3. Step 3: Cross multiply
    1,320,444.70x = 1,978,370.70 × 609,013.60
  4. Step 4: Simplify right side
    1,320,444.70x = 1,204,854,662,141.52
  5. Step 5: Solve for x
    x = 1,204,854,662,141.52/1,320,444.70
  6. Step 6: Final answer
    x = 912,461.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.