Home / 1,458,017.40-2,180,027.70-1,080,103.80

Finding the Fourth Proportional to 1,458,017.40, 2,180,027.70 and 1,080,103.80

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Solution

The fourth proportional to 1,458,017.40, 2,180,027.70 and 1,080,103.80 is: 1,614,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,017.40 : 2,180,027.70 = 1,080,103.80 : x
  2. Step 2: Convert to fraction form
    1,458,017.40/2,180,027.70 = 1,080,103.80/x
  3. Step 3: Cross multiply
    1,458,017.40x = 2,180,027.70 × 1,080,103.80
  4. Step 4: Simplify right side
    1,458,017.40x = 2,354,656,202,875.26
  5. Step 5: Solve for x
    x = 2,354,656,202,875.26/1,458,017.40
  6. Step 6: Final answer
    x = 1,614,971.26

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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.