Home / 1,228,656.34-1,695,630.84-745,241.86

Finding the Fourth Proportional to 1,228,656.34, 1,695,630.84 and 745,241.86

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Solution

The fourth proportional to 1,228,656.34, 1,695,630.84 and 745,241.86 is: 1,028,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,656.34 : 1,695,630.84 = 745,241.86 : x
  2. Step 2: Convert to fraction form
    1,228,656.34/1,695,630.84 = 745,241.86/x
  3. Step 3: Cross multiply
    1,228,656.34x = 1,695,630.84 × 745,241.86
  4. Step 4: Simplify right side
    1,228,656.34x = 1,263,655,081,074.96
  5. Step 5: Solve for x
    x = 1,263,655,081,074.96/1,228,656.34
  6. Step 6: Final answer
    x = 1,028,485.38

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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.