Home / 1,093,089.60-1,638,921.60-981,115.20

Finding the Fourth Proportional to 1,093,089.60, 1,638,921.60 and 981,115.20

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Solution

The fourth proportional to 1,093,089.60, 1,638,921.60 and 981,115.20 is: 1,471,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,089.60 : 1,638,921.60 = 981,115.20 : x
  2. Step 2: Convert to fraction form
    1,093,089.60/1,638,921.60 = 981,115.20/x
  3. Step 3: Cross multiply
    1,093,089.60x = 1,638,921.60 × 981,115.20
  4. Step 4: Simplify right side
    1,093,089.60x = 1,607,970,893,368.32
  5. Step 5: Solve for x
    x = 1,607,970,893,368.32/1,093,089.60
  6. Step 6: Final answer
    x = 1,471,033.02

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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.