Home / 1,317,898.35-1,974,590.82-719,279.55

Finding the Fourth Proportional to 1,317,898.35, 1,974,590.82 and 719,279.55

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Solution

The fourth proportional to 1,317,898.35, 1,974,590.82 and 719,279.55 is: 1,077,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,898.35 : 1,974,590.82 = 719,279.55 : x
  2. Step 2: Convert to fraction form
    1,317,898.35/1,974,590.82 = 719,279.55/x
  3. Step 3: Cross multiply
    1,317,898.35x = 1,974,590.82 × 719,279.55
  4. Step 4: Simplify right side
    1,317,898.35x = 1,420,282,796,443.73
  5. Step 5: Solve for x
    x = 1,420,282,796,443.73/1,317,898.35
  6. Step 6: Final answer
    x = 1,077,687.67

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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.