Home / 1,392,276.50-2,088,764.70-395,004.50

Finding the Fourth Proportional to 1,392,276.50, 2,088,764.70 and 395,004.50

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Solution

The fourth proportional to 1,392,276.50, 2,088,764.70 and 395,004.50 is: 592,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,276.50 : 2,088,764.70 = 395,004.50 : x
  2. Step 2: Convert to fraction form
    1,392,276.50/2,088,764.70 = 395,004.50/x
  3. Step 3: Cross multiply
    1,392,276.50x = 2,088,764.70 × 395,004.50
  4. Step 4: Simplify right side
    1,392,276.50x = 825,071,455,941.15
  5. Step 5: Solve for x
    x = 825,071,455,941.15/1,392,276.50
  6. Step 6: Final answer
    x = 592,606.03

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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.