Home / 1,255,973.20-1,883,959.80-1,245,475.60

Finding the Fourth Proportional to 1,255,973.20, 1,883,959.80 and 1,245,475.60

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Solution

The fourth proportional to 1,255,973.20, 1,883,959.80 and 1,245,475.60 is: 1,868,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,973.20 : 1,883,959.80 = 1,245,475.60 : x
  2. Step 2: Convert to fraction form
    1,255,973.20/1,883,959.80 = 1,245,475.60/x
  3. Step 3: Cross multiply
    1,255,973.20x = 1,883,959.80 × 1,245,475.60
  4. Step 4: Simplify right side
    1,255,973.20x = 2,346,425,962,280.88
  5. Step 5: Solve for x
    x = 2,346,425,962,280.88/1,255,973.20
  6. Step 6: Final answer
    x = 1,868,213.40

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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.