Home / 1,391,072.52-2,087,384.04-751,363.32

Finding the Fourth Proportional to 1,391,072.52, 2,087,384.04 and 751,363.32

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Solution

The fourth proportional to 1,391,072.52, 2,087,384.04 and 751,363.32 is: 1,127,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,072.52 : 2,087,384.04 = 751,363.32 : x
  2. Step 2: Convert to fraction form
    1,391,072.52/2,087,384.04 = 751,363.32/x
  3. Step 3: Cross multiply
    1,391,072.52x = 2,087,384.04 × 751,363.32
  4. Step 4: Simplify right side
    1,391,072.52x = 1,568,383,802,409.41
  5. Step 5: Solve for x
    x = 1,568,383,802,409.41/1,391,072.52
  6. Step 6: Final answer
    x = 1,127,463.72

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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.