Home / 1,281,158.60-1,767,998.22-708,198.62

Finding the Fourth Proportional to 1,281,158.60, 1,767,998.22 and 708,198.62

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Solution

The fourth proportional to 1,281,158.60, 1,767,998.22 and 708,198.62 is: 977,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,158.60 : 1,767,998.22 = 708,198.62 : x
  2. Step 2: Convert to fraction form
    1,281,158.60/1,767,998.22 = 708,198.62/x
  3. Step 3: Cross multiply
    1,281,158.60x = 1,767,998.22 × 708,198.62
  4. Step 4: Simplify right side
    1,281,158.60x = 1,252,093,899,566.46
  5. Step 5: Solve for x
    x = 1,252,093,899,566.46/1,281,158.60
  6. Step 6: Final answer
    x = 977,313.74

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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.