Home / 1,107,877.65-1,662,563.32-388,225.83

Finding the Fourth Proportional to 1,107,877.65, 1,662,563.32 and 388,225.83

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Solution

The fourth proportional to 1,107,877.65, 1,662,563.32 and 388,225.83 is: 582,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,877.65 : 1,662,563.32 = 388,225.83 : x
  2. Step 2: Convert to fraction form
    1,107,877.65/1,662,563.32 = 388,225.83/x
  3. Step 3: Cross multiply
    1,107,877.65x = 1,662,563.32 × 388,225.83
  4. Step 4: Simplify right side
    1,107,877.65x = 645,450,023,863.99
  5. Step 5: Solve for x
    x = 645,450,023,863.99/1,107,877.65
  6. Step 6: Final answer
    x = 582,600.45

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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.