Home / 1,585,243.50-2,376,465.54-1,212,928.62

Finding the Fourth Proportional to 1,585,243.50, 2,376,465.54 and 1,212,928.62

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Solution

The fourth proportional to 1,585,243.50, 2,376,465.54 and 1,212,928.62 is: 1,818,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,243.50 : 2,376,465.54 = 1,212,928.62 : x
  2. Step 2: Convert to fraction form
    1,585,243.50/2,376,465.54 = 1,212,928.62/x
  3. Step 3: Cross multiply
    1,585,243.50x = 2,376,465.54 × 1,212,928.62
  4. Step 4: Simplify right side
    1,585,243.50x = 2,882,483,067,909.76
  5. Step 5: Solve for x
    x = 2,882,483,067,909.76/1,585,243.50
  6. Step 6: Final answer
    x = 1,818,321.96

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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.