Home / 1,458,443.13-2,190,500.70-1,188,769.22

Finding the Fourth Proportional to 1,458,443.13, 2,190,500.70 and 1,188,769.22

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Solution

The fourth proportional to 1,458,443.13, 2,190,500.70 and 1,188,769.22 is: 1,785,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,443.13 : 2,190,500.70 = 1,188,769.22 : x
  2. Step 2: Convert to fraction form
    1,458,443.13/2,190,500.70 = 1,188,769.22/x
  3. Step 3: Cross multiply
    1,458,443.13x = 2,190,500.70 × 1,188,769.22
  4. Step 4: Simplify right side
    1,458,443.13x = 2,603,999,808,548.45
  5. Step 5: Solve for x
    x = 2,603,999,808,548.45/1,458,443.13
  6. Step 6: Final answer
    x = 1,785,465.44

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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.