Home / 1,167,147.87-1,611,992.66-784,510.35

Finding the Fourth Proportional to 1,167,147.87, 1,611,992.66 and 784,510.35

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Solution

The fourth proportional to 1,167,147.87, 1,611,992.66 and 784,510.35 is: 1,083,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,147.87 : 1,611,992.66 = 784,510.35 : x
  2. Step 2: Convert to fraction form
    1,167,147.87/1,611,992.66 = 784,510.35/x
  3. Step 3: Cross multiply
    1,167,147.87x = 1,611,992.66 × 784,510.35
  4. Step 4: Simplify right side
    1,167,147.87x = 1,264,624,925,894.03
  5. Step 5: Solve for x
    x = 1,264,624,925,894.03/1,167,147.87
  6. Step 6: Final answer
    x = 1,083,517.31

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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.