Home / 2,785,994.70-4,178,663.73-764,443.02

Finding the Fourth Proportional to 2,785,994.70, 4,178,663.73 and 764,443.02

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Solution

The fourth proportional to 2,785,994.70, 4,178,663.73 and 764,443.02 is: 1,146,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,994.70 : 4,178,663.73 = 764,443.02 : x
  2. Step 2: Convert to fraction form
    2,785,994.70/4,178,663.73 = 764,443.02/x
  3. Step 3: Cross multiply
    2,785,994.70x = 4,178,663.73 × 764,443.02
  4. Step 4: Simplify right side
    2,785,994.70x = 3,194,350,321,325.66
  5. Step 5: Solve for x
    x = 3,194,350,321,325.66/2,785,994.70
  6. Step 6: Final answer
    x = 1,146,574.44

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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.