Home / 1,380,604.40-2,069,675.40-538,960.40

Finding the Fourth Proportional to 1,380,604.40, 2,069,675.40 and 538,960.40

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Solution

The fourth proportional to 1,380,604.40, 2,069,675.40 and 538,960.40 is: 807,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,604.40 : 2,069,675.40 = 538,960.40 : x
  2. Step 2: Convert to fraction form
    1,380,604.40/2,069,675.40 = 538,960.40/x
  3. Step 3: Cross multiply
    1,380,604.40x = 2,069,675.40 × 538,960.40
  4. Step 4: Simplify right side
    1,380,604.40x = 1,115,473,081,454.16
  5. Step 5: Solve for x
    x = 1,115,473,081,454.16/1,380,604.40
  6. Step 6: Final answer
    x = 807,959.96

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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.