Home / 1,345,821.45-1,857,159.52-764,963.83

Finding the Fourth Proportional to 1,345,821.45, 1,857,159.52 and 764,963.83

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Solution

The fourth proportional to 1,345,821.45, 1,857,159.52 and 764,963.83 is: 1,055,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,821.45 : 1,857,159.52 = 764,963.83 : x
  2. Step 2: Convert to fraction form
    1,345,821.45/1,857,159.52 = 764,963.83/x
  3. Step 3: Cross multiply
    1,345,821.45x = 1,857,159.52 × 764,963.83
  4. Step 4: Simplify right side
    1,345,821.45x = 1,420,659,859,340.16
  5. Step 5: Solve for x
    x = 1,420,659,859,340.16/1,345,821.45
  6. Step 6: Final answer
    x = 1,055,607.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.