Home / 1,689,097.14-2,331,178.55-963,778.59

Finding the Fourth Proportional to 1,689,097.14, 2,331,178.55 and 963,778.59

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Solution

The fourth proportional to 1,689,097.14, 2,331,178.55 and 963,778.59 is: 1,330,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,097.14 : 2,331,178.55 = 963,778.59 : x
  2. Step 2: Convert to fraction form
    1,689,097.14/2,331,178.55 = 963,778.59/x
  3. Step 3: Cross multiply
    1,689,097.14x = 2,331,178.55 × 963,778.59
  4. Step 4: Simplify right side
    1,689,097.14x = 2,246,739,974,752.52
  5. Step 5: Solve for x
    x = 2,246,739,974,752.52/1,689,097.14
  6. Step 6: Final answer
    x = 1,330,142.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.