Home / 1,429,228.45-2,144,731.44-890,542.40

Finding the Fourth Proportional to 1,429,228.45, 2,144,731.44 and 890,542.40

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Solution

The fourth proportional to 1,429,228.45, 2,144,731.44 and 890,542.40 is: 1,336,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,228.45 : 2,144,731.44 = 890,542.40 : x
  2. Step 2: Convert to fraction form
    1,429,228.45/2,144,731.44 = 890,542.40/x
  3. Step 3: Cross multiply
    1,429,228.45x = 2,144,731.44 × 890,542.40
  4. Step 4: Simplify right side
    1,429,228.45x = 1,909,974,283,933.06
  5. Step 5: Solve for x
    x = 1,909,974,283,933.06/1,429,228.45
  6. Step 6: Final answer
    x = 1,336,367.39

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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.