Home / 1,774,814.70-2,662,513.65-764,420.70

Finding the Fourth Proportional to 1,774,814.70, 2,662,513.65 and 764,420.70

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Solution

The fourth proportional to 1,774,814.70, 2,662,513.65 and 764,420.70 is: 1,146,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,814.70 : 2,662,513.65 = 764,420.70 : x
  2. Step 2: Convert to fraction form
    1,774,814.70/2,662,513.65 = 764,420.70/x
  3. Step 3: Cross multiply
    1,774,814.70x = 2,662,513.65 × 764,420.70
  4. Step 4: Simplify right side
    1,774,814.70x = 2,035,280,548,092.55
  5. Step 5: Solve for x
    x = 2,035,280,548,092.55/1,774,814.70
  6. Step 6: Final answer
    x = 1,146,756.64

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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.