Home / 1,080,152.70-1,620,229.05-870,200.70

Finding the Fourth Proportional to 1,080,152.70, 1,620,229.05 and 870,200.70

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Solution

The fourth proportional to 1,080,152.70, 1,620,229.05 and 870,200.70 is: 1,305,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,152.70 : 1,620,229.05 = 870,200.70 : x
  2. Step 2: Convert to fraction form
    1,080,152.70/1,620,229.05 = 870,200.70/x
  3. Step 3: Cross multiply
    1,080,152.70x = 1,620,229.05 × 870,200.70
  4. Step 4: Simplify right side
    1,080,152.70x = 1,409,924,453,470.34
  5. Step 5: Solve for x
    x = 1,409,924,453,470.34/1,080,152.70
  6. Step 6: Final answer
    x = 1,305,301.05

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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.