Home / 1,105,124.20-1,653,539.10-1,005,591.40

Finding the Fourth Proportional to 1,105,124.20, 1,653,539.10 and 1,005,591.40

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Solution

The fourth proportional to 1,105,124.20, 1,653,539.10 and 1,005,591.40 is: 1,504,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,124.20 : 1,653,539.10 = 1,005,591.40 : x
  2. Step 2: Convert to fraction form
    1,105,124.20/1,653,539.10 = 1,005,591.40/x
  3. Step 3: Cross multiply
    1,105,124.20x = 1,653,539.10 × 1,005,591.40
  4. Step 4: Simplify right side
    1,105,124.20x = 1,662,784,698,523.74
  5. Step 5: Solve for x
    x = 1,662,784,698,523.74/1,105,124.20
  6. Step 6: Final answer
    x = 1,504,613.42

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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.