Home / 1,813,431.50-2,720,149.10-676,176.32

Finding the Fourth Proportional to 1,813,431.50, 2,720,149.10 and 676,176.32

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Solution

The fourth proportional to 1,813,431.50, 2,720,149.10 and 676,176.32 is: 1,014,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,431.50 : 2,720,149.10 = 676,176.32 : x
  2. Step 2: Convert to fraction form
    1,813,431.50/2,720,149.10 = 676,176.32/x
  3. Step 3: Cross multiply
    1,813,431.50x = 2,720,149.10 × 676,176.32
  4. Step 4: Simplify right side
    1,813,431.50x = 1,839,300,396,379.01
  5. Step 5: Solve for x
    x = 1,839,300,396,379.01/1,813,431.50
  6. Step 6: Final answer
    x = 1,014,265.17

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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.