Home / 1,251,051.63-1,726,453.08-678,091.65

Finding the Fourth Proportional to 1,251,051.63, 1,726,453.08 and 678,091.65

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Solution

The fourth proportional to 1,251,051.63, 1,726,453.08 and 678,091.65 is: 935,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,051.63 : 1,726,453.08 = 678,091.65 : x
  2. Step 2: Convert to fraction form
    1,251,051.63/1,726,453.08 = 678,091.65/x
  3. Step 3: Cross multiply
    1,251,051.63x = 1,726,453.08 × 678,091.65
  4. Step 4: Simplify right side
    1,251,051.63x = 1,170,693,417,664.78
  5. Step 5: Solve for x
    x = 1,170,693,417,664.78/1,251,051.63
  6. Step 6: Final answer
    x = 935,767.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.