Home / 1,292,957.54-1,784,281.39-749,408.61

Finding the Fourth Proportional to 1,292,957.54, 1,784,281.39 and 749,408.61

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Solution

The fourth proportional to 1,292,957.54, 1,784,281.39 and 749,408.61 is: 1,034,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,957.54 : 1,784,281.39 = 749,408.61 : x
  2. Step 2: Convert to fraction form
    1,292,957.54/1,784,281.39 = 749,408.61/x
  3. Step 3: Cross multiply
    1,292,957.54x = 1,784,281.39 × 749,408.61
  4. Step 4: Simplify right side
    1,292,957.54x = 1,337,155,827,764.19
  5. Step 5: Solve for x
    x = 1,337,155,827,764.19/1,292,957.54
  6. Step 6: Final answer
    x = 1,034,183.87

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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.