Home / 1,429,229.45-2,144,732.94-890,543.40

Finding the Fourth Proportional to 1,429,229.45, 2,144,732.94 and 890,543.40

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Solution

The fourth proportional to 1,429,229.45, 2,144,732.94 and 890,543.40 is: 1,336,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,229.45 : 2,144,732.94 = 890,543.40 : x
  2. Step 2: Convert to fraction form
    1,429,229.45/2,144,732.94 = 890,543.40/x
  3. Step 3: Cross multiply
    1,429,229.45x = 2,144,732.94 × 890,543.40
  4. Step 4: Simplify right side
    1,429,229.45x = 1,909,977,764,479.60
  5. Step 5: Solve for x
    x = 1,909,977,764,479.60/1,429,229.45
  6. Step 6: Final answer
    x = 1,336,368.88

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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.