Home / 1,317,339.34-1,817,904.57-744,367.18

Finding the Fourth Proportional to 1,317,339.34, 1,817,904.57 and 744,367.18

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Solution

The fourth proportional to 1,317,339.34, 1,817,904.57 and 744,367.18 is: 1,027,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,339.34 : 1,817,904.57 = 744,367.18 : x
  2. Step 2: Convert to fraction form
    1,317,339.34/1,817,904.57 = 744,367.18/x
  3. Step 3: Cross multiply
    1,317,339.34x = 1,817,904.57 × 744,367.18
  4. Step 4: Simplify right side
    1,317,339.34x = 1,353,188,498,280.01
  5. Step 5: Solve for x
    x = 1,353,188,498,280.01/1,317,339.34
  6. Step 6: Final answer
    x = 1,027,213.31

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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.