Home / 1,119,844.28-1,545,318.49-636,342.32

Finding the Fourth Proportional to 1,119,844.28, 1,545,318.49 and 636,342.32

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Solution

The fourth proportional to 1,119,844.28, 1,545,318.49 and 636,342.32 is: 878,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,844.28 : 1,545,318.49 = 636,342.32 : x
  2. Step 2: Convert to fraction form
    1,119,844.28/1,545,318.49 = 636,342.32/x
  3. Step 3: Cross multiply
    1,119,844.28x = 1,545,318.49 × 636,342.32
  4. Step 4: Simplify right side
    1,119,844.28x = 983,351,553,065.50
  5. Step 5: Solve for x
    x = 983,351,553,065.50/1,119,844.28
  6. Step 6: Final answer
    x = 878,114.55

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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.