Home / 1,255,338.20-1,883,007.30-724,496.60

Finding the Fourth Proportional to 1,255,338.20, 1,883,007.30 and 724,496.60

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Solution

The fourth proportional to 1,255,338.20, 1,883,007.30 and 724,496.60 is: 1,086,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,338.20 : 1,883,007.30 = 724,496.60 : x
  2. Step 2: Convert to fraction form
    1,255,338.20/1,883,007.30 = 724,496.60/x
  3. Step 3: Cross multiply
    1,255,338.20x = 1,883,007.30 × 724,496.60
  4. Step 4: Simplify right side
    1,255,338.20x = 1,364,232,386,625.18
  5. Step 5: Solve for x
    x = 1,364,232,386,625.18/1,255,338.20
  6. Step 6: Final answer
    x = 1,086,744.90

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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.