Home / 1,188,626.95-1,639,064.60-705,098.68

Finding the Fourth Proportional to 1,188,626.95, 1,639,064.60 and 705,098.68

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Solution

The fourth proportional to 1,188,626.95, 1,639,064.60 and 705,098.68 is: 972,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,626.95 : 1,639,064.60 = 705,098.68 : x
  2. Step 2: Convert to fraction form
    1,188,626.95/1,639,064.60 = 705,098.68/x
  3. Step 3: Cross multiply
    1,188,626.95x = 1,639,064.60 × 705,098.68
  4. Step 4: Simplify right side
    1,188,626.95x = 1,155,702,285,894.73
  5. Step 5: Solve for x
    x = 1,155,702,285,894.73/1,188,626.95
  6. Step 6: Final answer
    x = 972,300.25

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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.