Home / 1,167,814.31-1,611,308.63-708,917.72

Finding the Fourth Proportional to 1,167,814.31, 1,611,308.63 and 708,917.72

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Solution

The fourth proportional to 1,167,814.31, 1,611,308.63 and 708,917.72 is: 978,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,814.31 : 1,611,308.63 = 708,917.72 : x
  2. Step 2: Convert to fraction form
    1,167,814.31/1,611,308.63 = 708,917.72/x
  3. Step 3: Cross multiply
    1,167,814.31x = 1,611,308.63 × 708,917.72
  4. Step 4: Simplify right side
    1,167,814.31x = 1,142,285,233,911.67
  5. Step 5: Solve for x
    x = 1,142,285,233,911.67/1,167,814.31
  6. Step 6: Final answer
    x = 978,139.44

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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.