Home / 1,317,958.76-1,818,758.95-744,998.93

Finding the Fourth Proportional to 1,317,958.76, 1,818,758.95 and 744,998.93

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Solution

The fourth proportional to 1,317,958.76, 1,818,758.95 and 744,998.93 is: 1,028,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,958.76 : 1,818,758.95 = 744,998.93 : x
  2. Step 2: Convert to fraction form
    1,317,958.76/1,818,758.95 = 744,998.93/x
  3. Step 3: Cross multiply
    1,317,958.76x = 1,818,758.95 × 744,998.93
  4. Step 4: Simplify right side
    1,317,958.76x = 1,354,973,471,677.92
  5. Step 5: Solve for x
    x = 1,354,973,471,677.92/1,317,958.76
  6. Step 6: Final answer
    x = 1,028,084.88

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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.