Home / 1,292,958.54-1,784,282.77-749,409.61

Finding the Fourth Proportional to 1,292,958.54, 1,784,282.77 and 749,409.61

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Solution

The fourth proportional to 1,292,958.54, 1,784,282.77 and 749,409.61 is: 1,034,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,958.54 : 1,784,282.77 = 749,409.61 : x
  2. Step 2: Convert to fraction form
    1,292,958.54/1,784,282.77 = 749,409.61/x
  3. Step 3: Cross multiply
    1,292,958.54x = 1,784,282.77 × 749,409.61
  4. Step 4: Simplify right side
    1,292,958.54x = 1,337,158,654,795.42
  5. Step 5: Solve for x
    x = 1,337,158,654,795.42/1,292,958.54
  6. Step 6: Final answer
    x = 1,034,185.25

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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.