Home / 1,011,770.20-1,520,279.70-896,296.60

Finding the Fourth Proportional to 1,011,770.20, 1,520,279.70 and 896,296.60

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Solution

The fourth proportional to 1,011,770.20, 1,520,279.70 and 896,296.60 is: 1,346,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,770.20 : 1,520,279.70 = 896,296.60 : x
  2. Step 2: Convert to fraction form
    1,011,770.20/1,520,279.70 = 896,296.60/x
  3. Step 3: Cross multiply
    1,011,770.20x = 1,520,279.70 × 896,296.60
  4. Step 4: Simplify right side
    1,011,770.20x = 1,362,621,526,159.02
  5. Step 5: Solve for x
    x = 1,362,621,526,159.02/1,011,770.20
  6. Step 6: Final answer
    x = 1,346,769.78

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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.