Home / 1,071,409.82-1,607,096.99-431,697.93

Finding the Fourth Proportional to 1,071,409.82, 1,607,096.99 and 431,697.93

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Solution

The fourth proportional to 1,071,409.82, 1,607,096.99 and 431,697.93 is: 647,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,409.82 : 1,607,096.99 = 431,697.93 : x
  2. Step 2: Convert to fraction form
    1,071,409.82/1,607,096.99 = 431,697.93/x
  3. Step 3: Cross multiply
    1,071,409.82x = 1,607,096.99 × 431,697.93
  4. Step 4: Simplify right side
    1,071,409.82x = 693,780,441,733.74
  5. Step 5: Solve for x
    x = 693,780,441,733.74/1,071,409.82
  6. Step 6: Final answer
    x = 647,539.75

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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.