Home / 1,340,848.58-2,010,640.65-487,319.85

Finding the Fourth Proportional to 1,340,848.58, 2,010,640.65 and 487,319.85

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Solution

The fourth proportional to 1,340,848.58, 2,010,640.65 and 487,319.85 is: 730,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,848.58 : 2,010,640.65 = 487,319.85 : x
  2. Step 2: Convert to fraction form
    1,340,848.58/2,010,640.65 = 487,319.85/x
  3. Step 3: Cross multiply
    1,340,848.58x = 2,010,640.65 × 487,319.85
  4. Step 4: Simplify right side
    1,340,848.58x = 979,825,099,961.90
  5. Step 5: Solve for x
    x = 979,825,099,961.90/1,340,848.58
  6. Step 6: Final answer
    x = 730,750.00

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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.