Home / 1,318,010.76-1,974,758.94-719,392.14

Finding the Fourth Proportional to 1,318,010.76, 1,974,758.94 and 719,392.14

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Solution

The fourth proportional to 1,318,010.76, 1,974,758.94 and 719,392.14 is: 1,077,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,010.76 : 1,974,758.94 = 719,392.14 : x
  2. Step 2: Convert to fraction form
    1,318,010.76/1,974,758.94 = 719,392.14/x
  3. Step 3: Cross multiply
    1,318,010.76x = 1,974,758.94 × 719,392.14
  4. Step 4: Simplify right side
    1,318,010.76x = 1,420,626,059,830.73
  5. Step 5: Solve for x
    x = 1,420,626,059,830.73/1,318,010.76
  6. Step 6: Final answer
    x = 1,077,856.19

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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.