Home / 1,146,288.96-1,581,867.36-636,980.64

Finding the Fourth Proportional to 1,146,288.96, 1,581,867.36 and 636,980.64

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Solution

The fourth proportional to 1,146,288.96, 1,581,867.36 and 636,980.64 is: 879,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,288.96 : 1,581,867.36 = 636,980.64 : x
  2. Step 2: Convert to fraction form
    1,146,288.96/1,581,867.36 = 636,980.64/x
  3. Step 3: Cross multiply
    1,146,288.96x = 1,581,867.36 × 636,980.64
  4. Step 4: Simplify right side
    1,146,288.96x = 1,007,618,883,367.91
  5. Step 5: Solve for x
    x = 1,007,618,883,367.91/1,146,288.96
  6. Step 6: Final answer
    x = 879,026.95

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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.