Home / 1,625,764.20-2,243,525.16-900,609.72

Finding the Fourth Proportional to 1,625,764.20, 2,243,525.16 and 900,609.72

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Solution

The fourth proportional to 1,625,764.20, 2,243,525.16 and 900,609.72 is: 1,242,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,764.20 : 2,243,525.16 = 900,609.72 : x
  2. Step 2: Convert to fraction form
    1,625,764.20/2,243,525.16 = 900,609.72/x
  3. Step 3: Cross multiply
    1,625,764.20x = 2,243,525.16 × 900,609.72
  4. Step 4: Simplify right side
    1,625,764.20x = 2,020,540,566,160.56
  5. Step 5: Solve for x
    x = 2,020,540,566,160.56/1,625,764.20
  6. Step 6: Final answer
    x = 1,242,825.11

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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.