Home / 1,205,957.74-1,664,138.43-669,371.50

Finding the Fourth Proportional to 1,205,957.74, 1,664,138.43 and 669,371.50

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Solution

The fourth proportional to 1,205,957.74, 1,664,138.43 and 669,371.50 is: 923,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,957.74 : 1,664,138.43 = 669,371.50 : x
  2. Step 2: Convert to fraction form
    1,205,957.74/1,664,138.43 = 669,371.50/x
  3. Step 3: Cross multiply
    1,205,957.74x = 1,664,138.43 × 669,371.50
  4. Step 4: Simplify right side
    1,205,957.74x = 1,113,926,837,096.74
  5. Step 5: Solve for x
    x = 1,113,926,837,096.74/1,205,957.74
  6. Step 6: Final answer
    x = 923,686.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.