Home / 1,167,905.76-1,611,711.28-684,374.64

Finding the Fourth Proportional to 1,167,905.76, 1,611,711.28 and 684,374.64

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Solution

The fourth proportional to 1,167,905.76, 1,611,711.28 and 684,374.64 is: 944,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,905.76 : 1,611,711.28 = 684,374.64 : x
  2. Step 2: Convert to fraction form
    1,167,905.76/1,611,711.28 = 684,374.64/x
  3. Step 3: Cross multiply
    1,167,905.76x = 1,611,711.28 × 684,374.64
  4. Step 4: Simplify right side
    1,167,905.76x = 1,103,014,327,033.94
  5. Step 5: Solve for x
    x = 1,103,014,327,033.94/1,167,905.76
  6. Step 6: Final answer
    x = 944,437.78

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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.