Home / 1,231,345.60-1,847,203.08-432,486.34

Finding the Fourth Proportional to 1,231,345.60, 1,847,203.08 and 432,486.34

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Solution

The fourth proportional to 1,231,345.60, 1,847,203.08 and 432,486.34 is: 648,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,345.60 : 1,847,203.08 = 432,486.34 : x
  2. Step 2: Convert to fraction form
    1,231,345.60/1,847,203.08 = 432,486.34/x
  3. Step 3: Cross multiply
    1,231,345.60x = 1,847,203.08 × 432,486.34
  4. Step 4: Simplify right side
    1,231,345.60x = 798,890,099,305.93
  5. Step 5: Solve for x
    x = 798,890,099,305.93/1,231,345.60
  6. Step 6: Final answer
    x = 648,794.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.