Home / 1,450,216.90-2,175,368.28-692,138.17

Finding the Fourth Proportional to 1,450,216.90, 2,175,368.28 and 692,138.17

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Solution

The fourth proportional to 1,450,216.90, 2,175,368.28 and 692,138.17 is: 1,038,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,216.90 : 2,175,368.28 = 692,138.17 : x
  2. Step 2: Convert to fraction form
    1,450,216.90/2,175,368.28 = 692,138.17/x
  3. Step 3: Cross multiply
    1,450,216.90x = 2,175,368.28 × 692,138.17
  4. Step 4: Simplify right side
    1,450,216.90x = 1,505,655,420,395.25
  5. Step 5: Solve for x
    x = 1,505,655,420,395.25/1,450,216.90
  6. Step 6: Final answer
    x = 1,038,227.74

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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.