Home / 1,080,836.20-1,616,588.70-912,874.60

Finding the Fourth Proportional to 1,080,836.20, 1,616,588.70 and 912,874.60

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Solution

The fourth proportional to 1,080,836.20, 1,616,588.70 and 912,874.60 is: 1,365,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,836.20 : 1,616,588.70 = 912,874.60 : x
  2. Step 2: Convert to fraction form
    1,080,836.20/1,616,588.70 = 912,874.60/x
  3. Step 3: Cross multiply
    1,080,836.20x = 1,616,588.70 × 912,874.60
  4. Step 4: Simplify right side
    1,080,836.20x = 1,475,742,762,877.02
  5. Step 5: Solve for x
    x = 1,475,742,762,877.02/1,080,836.20
  6. Step 6: Final answer
    x = 1,365,371.33

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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.