Home / 1,274,779.26-1,912,221.93-376,221.18

Finding the Fourth Proportional to 1,274,779.26, 1,912,221.93 and 376,221.18

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Solution

The fourth proportional to 1,274,779.26, 1,912,221.93 and 376,221.18 is: 564,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,779.26 : 1,912,221.93 = 376,221.18 : x
  2. Step 2: Convert to fraction form
    1,274,779.26/1,912,221.93 = 376,221.18/x
  3. Step 3: Cross multiply
    1,274,779.26x = 1,912,221.93 × 376,221.18
  4. Step 4: Simplify right side
    1,274,779.26x = 719,418,390,926.48
  5. Step 5: Solve for x
    x = 719,418,390,926.48/1,274,779.26
  6. Step 6: Final answer
    x = 564,347.42

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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.