Home / 1,775,769.40-2,663,999.70-764,889.40

Finding the Fourth Proportional to 1,775,769.40, 2,663,999.70 and 764,889.40

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Solution

The fourth proportional to 1,775,769.40, 2,663,999.70 and 764,889.40 is: 1,147,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,769.40 : 2,663,999.70 = 764,889.40 : x
  2. Step 2: Convert to fraction form
    1,775,769.40/2,663,999.70 = 764,889.40/x
  3. Step 3: Cross multiply
    1,775,769.40x = 2,663,999.70 × 764,889.40
  4. Step 4: Simplify right side
    1,775,769.40x = 2,037,665,132,133.18
  5. Step 5: Solve for x
    x = 2,037,665,132,133.18/1,775,769.40
  6. Step 6: Final answer
    x = 1,147,482.96

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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.