Home / 1,455,430.57-2,172,912.39-1,112,077.03

Finding the Fourth Proportional to 1,455,430.57, 2,172,912.39 and 1,112,077.03

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Solution

The fourth proportional to 1,455,430.57, 2,172,912.39 and 1,112,077.03 is: 1,660,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,430.57 : 2,172,912.39 = 1,112,077.03 : x
  2. Step 2: Convert to fraction form
    1,455,430.57/2,172,912.39 = 1,112,077.03/x
  3. Step 3: Cross multiply
    1,455,430.57x = 2,172,912.39 × 1,112,077.03
  4. Step 4: Simplify right side
    1,455,430.57x = 2,416,445,951,561.02
  5. Step 5: Solve for x
    x = 2,416,445,951,561.02/1,455,430.57
  6. Step 6: Final answer
    x = 1,660,296.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.