Home / 1,317,308.04-1,817,838.54-744,335.91

Finding the Fourth Proportional to 1,317,308.04, 1,817,838.54 and 744,335.91

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Solution

The fourth proportional to 1,317,308.04, 1,817,838.54 and 744,335.91 is: 1,027,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,308.04 : 1,817,838.54 = 744,335.91 : x
  2. Step 2: Convert to fraction form
    1,317,308.04/1,817,838.54 = 744,335.91/x
  3. Step 3: Cross multiply
    1,317,308.04x = 1,817,838.54 × 744,335.91
  4. Step 4: Simplify right side
    1,317,308.04x = 1,353,082,503,903.97
  5. Step 5: Solve for x
    x = 1,353,082,503,903.97/1,317,308.04
  6. Step 6: Final answer
    x = 1,027,157.25

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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.