Home / 1,146,102.46-1,581,621.72-636,804.84

Finding the Fourth Proportional to 1,146,102.46, 1,581,621.72 and 636,804.84

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Solution

The fourth proportional to 1,146,102.46, 1,581,621.72 and 636,804.84 is: 878,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,102.46 : 1,581,621.72 = 636,804.84 : x
  2. Step 2: Convert to fraction form
    1,146,102.46/1,581,621.72 = 636,804.84/x
  3. Step 3: Cross multiply
    1,146,102.46x = 1,581,621.72 × 636,804.84
  4. Step 4: Simplify right side
    1,146,102.46x = 1,007,184,366,345.12
  5. Step 5: Solve for x
    x = 1,007,184,366,345.12/1,146,102.46
  6. Step 6: Final answer
    x = 878,790.86

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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.