Home / 1,073,942.88-1,610,913.75-315,790.65

Finding the Fourth Proportional to 1,073,942.88, 1,610,913.75 and 315,790.65

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Solution

The fourth proportional to 1,073,942.88, 1,610,913.75 and 315,790.65 is: 473,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,942.88 : 1,610,913.75 = 315,790.65 : x
  2. Step 2: Convert to fraction form
    1,073,942.88/1,610,913.75 = 315,790.65/x
  3. Step 3: Cross multiply
    1,073,942.88x = 1,610,913.75 × 315,790.65
  4. Step 4: Simplify right side
    1,073,942.88x = 508,711,500,206.44
  5. Step 5: Solve for x
    x = 508,711,500,206.44/1,073,942.88
  6. Step 6: Final answer
    x = 473,685.81

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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.