Home / 1,450,217.90-2,175,369.78-692,139.17

Finding the Fourth Proportional to 1,450,217.90, 2,175,369.78 and 692,139.17

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Solution

The fourth proportional to 1,450,217.90, 2,175,369.78 and 692,139.17 is: 1,038,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,217.90 : 2,175,369.78 = 692,139.17 : x
  2. Step 2: Convert to fraction form
    1,450,217.90/2,175,369.78 = 692,139.17/x
  3. Step 3: Cross multiply
    1,450,217.90x = 2,175,369.78 × 692,139.17
  4. Step 4: Simplify right side
    1,450,217.90x = 1,505,658,633,972.28
  5. Step 5: Solve for x
    x = 1,505,658,633,972.28/1,450,217.90
  6. Step 6: Final answer
    x = 1,038,229.24

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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.