Home / 1,422,583.58-2,135,379.28-1,390,457.26

Finding the Fourth Proportional to 1,422,583.58, 2,135,379.28 and 1,390,457.26

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Solution

The fourth proportional to 1,422,583.58, 2,135,379.28 and 1,390,457.26 is: 2,087,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,583.58 : 2,135,379.28 = 1,390,457.26 : x
  2. Step 2: Convert to fraction form
    1,422,583.58/2,135,379.28 = 1,390,457.26/x
  3. Step 3: Cross multiply
    1,422,583.58x = 2,135,379.28 × 1,390,457.26
  4. Step 4: Simplify right side
    1,422,583.58x = 2,969,153,622,729.57
  5. Step 5: Solve for x
    x = 2,969,153,622,729.57/1,422,583.58
  6. Step 6: Final answer
    x = 2,087,155.84

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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.