Home / 1,774,827.20-2,662,532.40-764,433.20

Finding the Fourth Proportional to 1,774,827.20, 2,662,532.40 and 764,433.20

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Solution

The fourth proportional to 1,774,827.20, 2,662,532.40 and 764,433.20 is: 1,146,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,827.20 : 2,662,532.40 = 764,433.20 : x
  2. Step 2: Convert to fraction form
    1,774,827.20/2,662,532.40 = 764,433.20/x
  3. Step 3: Cross multiply
    1,774,827.20x = 2,662,532.40 × 764,433.20
  4. Step 4: Simplify right side
    1,774,827.20x = 2,035,328,162,635.68
  5. Step 5: Solve for x
    x = 2,035,328,162,635.68/1,774,827.20
  6. Step 6: Final answer
    x = 1,146,775.39

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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.