Home / 1,521,239.46-2,099,230.68-832,779.42

Finding the Fourth Proportional to 1,521,239.46, 2,099,230.68 and 832,779.42

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Solution

The fourth proportional to 1,521,239.46, 2,099,230.68 and 832,779.42 is: 1,149,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,239.46 : 2,099,230.68 = 832,779.42 : x
  2. Step 2: Convert to fraction form
    1,521,239.46/2,099,230.68 = 832,779.42/x
  3. Step 3: Cross multiply
    1,521,239.46x = 2,099,230.68 × 832,779.42
  4. Step 4: Simplify right side
    1,521,239.46x = 1,748,196,108,136.61
  5. Step 5: Solve for x
    x = 1,748,196,108,136.61/1,521,239.46
  6. Step 6: Final answer
    x = 1,149,191.93

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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.