Home / 1,042,970.67-1,439,319.92-680,626.35

Finding the Fourth Proportional to 1,042,970.67, 1,439,319.92 and 680,626.35

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Solution

The fourth proportional to 1,042,970.67, 1,439,319.92 and 680,626.35 is: 939,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,970.67 : 1,439,319.92 = 680,626.35 : x
  2. Step 2: Convert to fraction form
    1,042,970.67/1,439,319.92 = 680,626.35/x
  3. Step 3: Cross multiply
    1,042,970.67x = 1,439,319.92 × 680,626.35
  4. Step 4: Simplify right side
    1,042,970.67x = 979,639,060,228.76
  5. Step 5: Solve for x
    x = 979,639,060,228.76/1,042,970.67
  6. Step 6: Final answer
    x = 939,277.67

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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.