Home / 1,775,221.80-2,663,178.30-764,341.80

Finding the Fourth Proportional to 1,775,221.80, 2,663,178.30 and 764,341.80

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Solution

The fourth proportional to 1,775,221.80, 2,663,178.30 and 764,341.80 is: 1,146,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,221.80 : 2,663,178.30 = 764,341.80 : x
  2. Step 2: Convert to fraction form
    1,775,221.80/2,663,178.30 = 764,341.80/x
  3. Step 3: Cross multiply
    1,775,221.80x = 2,663,178.30 × 764,341.80
  4. Step 4: Simplify right side
    1,775,221.80x = 2,035,578,495,542.94
  5. Step 5: Solve for x
    x = 2,035,578,495,542.94/1,775,221.80
  6. Step 6: Final answer
    x = 1,146,661.50

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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.