Home / 1,482,121.87-2,045,233.13-828,801.72

Finding the Fourth Proportional to 1,482,121.87, 2,045,233.13 and 828,801.72

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Solution

The fourth proportional to 1,482,121.87, 2,045,233.13 and 828,801.72 is: 1,143,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,121.87 : 2,045,233.13 = 828,801.72 : x
  2. Step 2: Convert to fraction form
    1,482,121.87/2,045,233.13 = 828,801.72/x
  3. Step 3: Cross multiply
    1,482,121.87x = 2,045,233.13 × 828,801.72
  4. Step 4: Simplify right side
    1,482,121.87x = 1,695,092,731,800.98
  5. Step 5: Solve for x
    x = 1,695,092,731,800.98/1,482,121.87
  6. Step 6: Final answer
    x = 1,143,693.22

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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.