Home / 1,630,686.80-2,446,149.66-432,582.56

Finding the Fourth Proportional to 1,630,686.80, 2,446,149.66 and 432,582.56

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Solution

The fourth proportional to 1,630,686.80, 2,446,149.66 and 432,582.56 is: 648,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,686.80 : 2,446,149.66 = 432,582.56 : x
  2. Step 2: Convert to fraction form
    1,630,686.80/2,446,149.66 = 432,582.56/x
  3. Step 3: Cross multiply
    1,630,686.80x = 2,446,149.66 × 432,582.56
  4. Step 4: Simplify right side
    1,630,686.80x = 1,058,161,682,065.93
  5. Step 5: Solve for x
    x = 1,058,161,682,065.93/1,630,686.80
  6. Step 6: Final answer
    x = 648,905.53

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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.