Home / 1,230,350.40-1,843,538.40-696,283.20

Finding the Fourth Proportional to 1,230,350.40, 1,843,538.40 and 696,283.20

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Solution

The fourth proportional to 1,230,350.40, 1,843,538.40 and 696,283.20 is: 1,043,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,350.40 : 1,843,538.40 = 696,283.20 : x
  2. Step 2: Convert to fraction form
    1,230,350.40/1,843,538.40 = 696,283.20/x
  3. Step 3: Cross multiply
    1,230,350.40x = 1,843,538.40 × 696,283.20
  4. Step 4: Simplify right side
    1,230,350.40x = 1,283,624,816,474.88
  5. Step 5: Solve for x
    x = 1,283,624,816,474.88/1,230,350.40
  6. Step 6: Final answer
    x = 1,043,300.20

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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.