Home / 1,780,087.68-2,670,107.04-432,260.64

Finding the Fourth Proportional to 1,780,087.68, 2,670,107.04 and 432,260.64

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Solution

The fourth proportional to 1,780,087.68, 2,670,107.04 and 432,260.64 is: 648,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,087.68 : 2,670,107.04 = 432,260.64 : x
  2. Step 2: Convert to fraction form
    1,780,087.68/2,670,107.04 = 432,260.64/x
  3. Step 3: Cross multiply
    1,780,087.68x = 2,670,107.04 × 432,260.64
  4. Step 4: Simplify right side
    1,780,087.68x = 1,154,182,177,978.91
  5. Step 5: Solve for x
    x = 1,154,182,177,978.91/1,780,087.68
  6. Step 6: Final answer
    x = 648,385.02

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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.