Home / 1,255,099.86-1,732,008.42-703,779.03

Finding the Fourth Proportional to 1,255,099.86, 1,732,008.42 and 703,779.03

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Solution

The fourth proportional to 1,255,099.86, 1,732,008.42 and 703,779.03 is: 971,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,099.86 : 1,732,008.42 = 703,779.03 : x
  2. Step 2: Convert to fraction form
    1,255,099.86/1,732,008.42 = 703,779.03/x
  3. Step 3: Cross multiply
    1,255,099.86x = 1,732,008.42 × 703,779.03
  4. Step 4: Simplify right side
    1,255,099.86x = 1,218,951,205,779.43
  5. Step 5: Solve for x
    x = 1,218,951,205,779.43/1,255,099.86
  6. Step 6: Final answer
    x = 971,198.58

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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.