Home / 1,118,900.92-1,678,177.10-613,710.44

Finding the Fourth Proportional to 1,118,900.92, 1,678,177.10 and 613,710.44

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Solution

The fourth proportional to 1,118,900.92, 1,678,177.10 and 613,710.44 is: 920,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,900.92 : 1,678,177.10 = 613,710.44 : x
  2. Step 2: Convert to fraction form
    1,118,900.92/1,678,177.10 = 613,710.44/x
  3. Step 3: Cross multiply
    1,118,900.92x = 1,678,177.10 × 613,710.44
  4. Step 4: Simplify right side
    1,118,900.92x = 1,029,914,806,438.92
  5. Step 5: Solve for x
    x = 1,029,914,806,438.92/1,118,900.92
  6. Step 6: Final answer
    x = 920,470.07

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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.