Home / 1,138,533.35-1,708,080.30-802,230.75

Finding the Fourth Proportional to 1,138,533.35, 1,708,080.30 and 802,230.75

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Solution

The fourth proportional to 1,138,533.35, 1,708,080.30 and 802,230.75 is: 1,203,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,533.35 : 1,708,080.30 = 802,230.75 : x
  2. Step 2: Convert to fraction form
    1,138,533.35/1,708,080.30 = 802,230.75/x
  3. Step 3: Cross multiply
    1,138,533.35x = 1,708,080.30 × 802,230.75
  4. Step 4: Simplify right side
    1,138,533.35x = 1,370,274,540,129.23
  5. Step 5: Solve for x
    x = 1,370,274,540,129.23/1,138,533.35
  6. Step 6: Final answer
    x = 1,203,543.62

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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.