Home / 1,145,544.68-1,580,807.94-636,279.72

Finding the Fourth Proportional to 1,145,544.68, 1,580,807.94 and 636,279.72

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Solution

The fourth proportional to 1,145,544.68, 1,580,807.94 and 636,279.72 is: 878,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,544.68 : 1,580,807.94 = 636,279.72 : x
  2. Step 2: Convert to fraction form
    1,145,544.68/1,580,807.94 = 636,279.72/x
  3. Step 3: Cross multiply
    1,145,544.68x = 1,580,807.94 × 636,279.72
  4. Step 4: Simplify right side
    1,145,544.68x = 1,005,836,033,436.98
  5. Step 5: Solve for x
    x = 1,005,836,033,436.98/1,145,544.68
  6. Step 6: Final answer
    x = 878,041.73

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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.