Home / 1,687,055.14-2,530,592.43-689,783.14

Finding the Fourth Proportional to 1,687,055.14, 2,530,592.43 and 689,783.14

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Solution

The fourth proportional to 1,687,055.14, 2,530,592.43 and 689,783.14 is: 1,034,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,055.14 : 2,530,592.43 = 689,783.14 : x
  2. Step 2: Convert to fraction form
    1,687,055.14/2,530,592.43 = 689,783.14/x
  3. Step 3: Cross multiply
    1,687,055.14x = 2,530,592.43 × 689,783.14
  4. Step 4: Simplify right side
    1,687,055.14x = 1,745,559,992,425.63
  5. Step 5: Solve for x
    x = 1,745,559,992,425.63/1,687,055.14
  6. Step 6: Final answer
    x = 1,034,678.68

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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.