Home / 1,015,511.84-1,521,399.39-636,361.91

Finding the Fourth Proportional to 1,015,511.84, 1,521,399.39 and 636,361.91

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Solution

The fourth proportional to 1,015,511.84, 1,521,399.39 and 636,361.91 is: 953,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,511.84 : 1,521,399.39 = 636,361.91 : x
  2. Step 2: Convert to fraction form
    1,015,511.84/1,521,399.39 = 636,361.91/x
  3. Step 3: Cross multiply
    1,015,511.84x = 1,521,399.39 × 636,361.91
  4. Step 4: Simplify right side
    1,015,511.84x = 968,160,621,693.24
  5. Step 5: Solve for x
    x = 968,160,621,693.24/1,015,511.84
  6. Step 6: Final answer
    x = 953,372.07

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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.