Home / 1,318,241.52-1,819,204.11-745,315.56

Finding the Fourth Proportional to 1,318,241.52, 1,819,204.11 and 745,315.56

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Solution

The fourth proportional to 1,318,241.52, 1,819,204.11 and 745,315.56 is: 1,028,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,241.52 : 1,819,204.11 = 745,315.56 : x
  2. Step 2: Convert to fraction form
    1,318,241.52/1,819,204.11 = 745,315.56/x
  3. Step 3: Cross multiply
    1,318,241.52x = 1,819,204.11 × 745,315.56
  4. Step 4: Simplify right side
    1,318,241.52x = 1,355,881,129,998.95
  5. Step 5: Solve for x
    x = 1,355,881,129,998.95/1,318,241.52
  6. Step 6: Final answer
    x = 1,028,552.89

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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.