Home / 1,406,814.17-2,109,790.31-508,145.09

Finding the Fourth Proportional to 1,406,814.17, 2,109,790.31 and 508,145.09

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Solution

The fourth proportional to 1,406,814.17, 2,109,790.31 and 508,145.09 is: 762,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,814.17 : 2,109,790.31 = 508,145.09 : x
  2. Step 2: Convert to fraction form
    1,406,814.17/2,109,790.31 = 508,145.09/x
  3. Step 3: Cross multiply
    1,406,814.17x = 2,109,790.31 × 508,145.09
  4. Step 4: Simplify right side
    1,406,814.17x = 1,072,079,573,866.40
  5. Step 5: Solve for x
    x = 1,072,079,573,866.40/1,406,814.17
  6. Step 6: Final answer
    x = 762,061.97

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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.