Home / 1,215,007.40-1,822,511.10-764,266.70

Finding the Fourth Proportional to 1,215,007.40, 1,822,511.10 and 764,266.70

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Solution

The fourth proportional to 1,215,007.40, 1,822,511.10 and 764,266.70 is: 1,146,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,007.40 : 1,822,511.10 = 764,266.70 : x
  2. Step 2: Convert to fraction form
    1,215,007.40/1,822,511.10 = 764,266.70/x
  3. Step 3: Cross multiply
    1,215,007.40x = 1,822,511.10 × 764,266.70
  4. Step 4: Simplify right side
    1,215,007.40x = 1,392,884,544,110.37
  5. Step 5: Solve for x
    x = 1,392,884,544,110.37/1,215,007.40
  6. Step 6: Final answer
    x = 1,146,400.05

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Similar ratio
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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.