Home / 1,230,354.40-1,843,544.40-696,287.20

Finding the Fourth Proportional to 1,230,354.40, 1,843,544.40 and 696,287.20

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Solution

The fourth proportional to 1,230,354.40, 1,843,544.40 and 696,287.20 is: 1,043,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,354.40 : 1,843,544.40 = 696,287.20 : x
  2. Step 2: Convert to fraction form
    1,230,354.40/1,843,544.40 = 696,287.20/x
  3. Step 3: Cross multiply
    1,230,354.40x = 1,843,544.40 × 696,287.20
  4. Step 4: Simplify right side
    1,230,354.40x = 1,283,636,368,351.68
  5. Step 5: Solve for x
    x = 1,283,636,368,351.68/1,230,354.40
  6. Step 6: Final answer
    x = 1,043,306.20

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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.