Home / 1,317,311.04-1,817,842.68-744,338.92

Finding the Fourth Proportional to 1,317,311.04, 1,817,842.68 and 744,338.92

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Solution

The fourth proportional to 1,317,311.04, 1,817,842.68 and 744,338.92 is: 1,027,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,311.04 : 1,817,842.68 = 744,338.92 : x
  2. Step 2: Convert to fraction form
    1,317,311.04/1,817,842.68 = 744,338.92/x
  3. Step 3: Cross multiply
    1,317,311.04x = 1,817,842.68 × 744,338.92
  4. Step 4: Simplify right side
    1,317,311.04x = 1,353,091,057,161.11
  5. Step 5: Solve for x
    x = 1,353,091,057,161.11/1,317,311.04
  6. Step 6: Final answer
    x = 1,027,161.40

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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.