Home / 1,104,187.20-1,523,742.88-620,772.64

Finding the Fourth Proportional to 1,104,187.20, 1,523,742.88 and 620,772.64

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Solution

The fourth proportional to 1,104,187.20, 1,523,742.88 and 620,772.64 is: 856,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,187.20 : 1,523,742.88 = 620,772.64 : x
  2. Step 2: Convert to fraction form
    1,104,187.20/1,523,742.88 = 620,772.64/x
  3. Step 3: Cross multiply
    1,104,187.20x = 1,523,742.88 × 620,772.64
  4. Step 4: Simplify right side
    1,104,187.20x = 945,897,890,298.80
  5. Step 5: Solve for x
    x = 945,897,890,298.80/1,104,187.20
  6. Step 6: Final answer
    x = 856,646.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.