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Finding the Fourth Proportional to 1,346,762, 1,858,570.44 and 743,188.88

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Solution

The fourth proportional to 1,346,762, 1,858,570.44 and 743,188.88 is: 1,025,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,762 : 1,858,570.44 = 743,188.88 : x
  2. Step 2: Convert to fraction form
    1,346,762/1,858,570.44 = 743,188.88/x
  3. Step 3: Cross multiply
    1,346,762x = 1,858,570.44 × 743,188.88
  4. Step 4: Simplify right side
    1,346,762x = 1,381,268,883,704.71
  5. Step 5: Solve for x
    x = 1,381,268,883,704.71/1,346,762
  6. Step 6: Final answer
    x = 1,025,622.11

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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.