Home / 1,118,822.41-1,678,484.31-408,832.30

Finding the Fourth Proportional to 1,118,822.41, 1,678,484.31 and 408,832.30

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Solution

The fourth proportional to 1,118,822.41, 1,678,484.31 and 408,832.30 is: 613,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,822.41 : 1,678,484.31 = 408,832.30 : x
  2. Step 2: Convert to fraction form
    1,118,822.41/1,678,484.31 = 408,832.30/x
  3. Step 3: Cross multiply
    1,118,822.41x = 1,678,484.31 × 408,832.30
  4. Step 4: Simplify right side
    1,118,822.41x = 686,218,600,971.21
  5. Step 5: Solve for x
    x = 686,218,600,971.21/1,118,822.41
  6. Step 6: Final answer
    x = 613,340.06

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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.