Home / 1,487,286.12-2,052,445.08-808,222.56

Finding the Fourth Proportional to 1,487,286.12, 2,052,445.08 and 808,222.56

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Solution

The fourth proportional to 1,487,286.12, 2,052,445.08 and 808,222.56 is: 1,115,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,286.12 : 2,052,445.08 = 808,222.56 : x
  2. Step 2: Convert to fraction form
    1,487,286.12/2,052,445.08 = 808,222.56/x
  3. Step 3: Cross multiply
    1,487,286.12x = 2,052,445.08 × 808,222.56
  4. Step 4: Simplify right side
    1,487,286.12x = 1,658,832,416,817.01
  5. Step 5: Solve for x
    x = 1,658,832,416,817.01/1,487,286.12
  6. Step 6: Final answer
    x = 1,115,341.83

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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.