Home / 1,318,077.20-1,976,532.60-607,739.60

Finding the Fourth Proportional to 1,318,077.20, 1,976,532.60 and 607,739.60

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Solution

The fourth proportional to 1,318,077.20, 1,976,532.60 and 607,739.60 is: 911,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,077.20 : 1,976,532.60 = 607,739.60 : x
  2. Step 2: Convert to fraction form
    1,318,077.20/1,976,532.60 = 607,739.60/x
  3. Step 3: Cross multiply
    1,318,077.20x = 1,976,532.60 × 607,739.60
  4. Step 4: Simplify right side
    1,318,077.20x = 1,201,217,131,710.96
  5. Step 5: Solve for x
    x = 1,201,217,131,710.96/1,318,077.20
  6. Step 6: Final answer
    x = 911,340.50

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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.