Home / 1,758,057.88-2,637,188.90-678,576.56

Finding the Fourth Proportional to 1,758,057.88, 2,637,188.90 and 678,576.56

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Solution

The fourth proportional to 1,758,057.88, 2,637,188.90 and 678,576.56 is: 1,017,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,057.88 : 2,637,188.90 = 678,576.56 : x
  2. Step 2: Convert to fraction form
    1,758,057.88/2,637,188.90 = 678,576.56/x
  3. Step 3: Cross multiply
    1,758,057.88x = 2,637,188.90 × 678,576.56
  4. Step 4: Simplify right side
    1,758,057.88x = 1,789,534,571,832.18
  5. Step 5: Solve for x
    x = 1,789,534,571,832.18/1,758,057.88
  6. Step 6: Final answer
    x = 1,017,904.24

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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.