Home / 1,758,056.88-2,637,187.40-678,575.56

Finding the Fourth Proportional to 1,758,056.88, 2,637,187.40 and 678,575.56

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Solution

The fourth proportional to 1,758,056.88, 2,637,187.40 and 678,575.56 is: 1,017,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,056.88 : 2,637,187.40 = 678,575.56 : x
  2. Step 2: Convert to fraction form
    1,758,056.88/2,637,187.40 = 678,575.56/x
  3. Step 3: Cross multiply
    1,758,056.88x = 2,637,187.40 × 678,575.56
  4. Step 4: Simplify right side
    1,758,056.88x = 1,789,530,916,779.94
  5. Step 5: Solve for x
    x = 1,789,530,916,779.94/1,758,056.88
  6. Step 6: Final answer
    x = 1,017,902.74

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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.