Home / 1,276,533.60-1,912,832.10-1,107,259.80

Finding the Fourth Proportional to 1,276,533.60, 1,912,832.10 and 1,107,259.80

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Solution

The fourth proportional to 1,276,533.60, 1,912,832.10 and 1,107,259.80 is: 1,659,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,533.60 : 1,912,832.10 = 1,107,259.80 : x
  2. Step 2: Convert to fraction form
    1,276,533.60/1,912,832.10 = 1,107,259.80/x
  3. Step 3: Cross multiply
    1,276,533.60x = 1,912,832.10 × 1,107,259.80
  4. Step 4: Simplify right side
    1,276,533.60x = 2,118,002,088,479.58
  5. Step 5: Solve for x
    x = 2,118,002,088,479.58/1,276,533.60
  6. Step 6: Final answer
    x = 1,659,182.40

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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.